Satz Von Zwölf Saint-louis-champagnerschalen "bristol" - Apr 27, 2024 | Kunstauktionshaus Schloss Ahlden In Niedersachsen
Upcoming AuctionsAuctions Near MeHow Auctions Work
|
HelpNewsConsignPrice Results
LiveAuctioneers Logo
Art
Jewelry
Asian Antiques
Furniture
Collectibles
Coins
Home & Décor
Fashion
Explore Categories

Art
Artists
Popular Searches
Browse by Origin
RA: Everything Everywhere All At Once
Rivich Auction
Sponsored.Your ad here?

Jewelry
Featured
Popular Searches
MAGNIFICENT JADE JEWELRY AND ANTIQUES SALE.
Artingstall Auctioneers 1874
Sponsored.Your ad here?

Asian Antiques
Browse By Origin
Featured
PRIVATE Collections:Asian Arts,Antiques
YaShawn Auction House
Sponsored.Your ad here?

Furniture
Tables
Seating
Cabinets & Storage
Browse By Styles
Featured
Discovery- Interiors
Bonhams
Sponsored.Your ad here?

Collectibles
Western and Contemporary Native American Art
Freeman's | Hindman
Sponsored.Your ad here?

Coins
Browse By Origin
Featured Coins
May Fortune Favor You Auction
Florida Estate Sales Inc.
Sponsored.Your ad here?

Home & Décor
Featured
Discovery- Interiors
Bonhams
Sponsored.Your ad here?

Clothing
Accessories
Featured Designers

lots of lots
View Auction
Home & Décor
Tableware & Barware
Drinkware & Glasses
Previous
Lot 0085
Next

Satz von zwölf Saint-Louis-Champagnerschalen "Bristol"

Similar Sale History

View More Items in Drinkware & Glasses
Sold
Tall Franz von Stuck Silver Plate Nautilus Cup: Tall silver plate nautilus cup made by WMF Geislinger, depicting a winged figure upholding the nautilus cup atop a tortoise, on a wood stand. [20 1/2" H].
2023Tall Franz von Stuck Silver Plate Nautilus CupSee Sold Price
Sold
Silver Plated Franz Von Stuck Nautilus Cup.: Designed by Franz Von Stuck (German, 1863-1928); manufactured by Wurttembergische Metallwarenfabrik (WMF). The c. 1900 figural centerpiece is modeled as a winged Mercury standing on a tortoise, holdin
2024Silver Plated Franz Von Stuck Nautilus Cup.See Sold Price
Sold
12 Saint Louis France Cut Glass Champagne in Bristol: 12 Saint Louis France cut glass champagne goblets in Bristol. Thumbprint cut bowl with a six sided stem. Acid etched Saint Louis mark to the underside base. All glasses with original Saint Louis boxes
202212 Saint Louis France Cut Glass Champagne in BristolSee Sold Price
Sold
Six Walter Von Nessen for Chase Machine Age Art Deco copper chrome & cobalt glass cordials cups.: One with rim chip. --- 4"H x 2 1/2"Diam.
2023Six Walter Von Nessen for Chase Machine Age Art Deco copper chrome & cobalt glass cordials cups.See Sold Price
Sold
Coat of arms cup of Friedrich von Kalckstein: Coat of arms goblet of Friedrich von Kalckstein Riesengebirge, probably Warmbrunn in Silesia, dated ''28th March 1832'' Manganese engraved glass, decorated with peeling, notch, diamond boss and cross-
2022Coat of arms cup of Friedrich von KalcksteinSee Sold Price
Sold
A RARE 18TH CENTURY HARD-PASTE PORCELAIN CHAMPION BRISTOL CHOCOLATE CUP AND TREMBLEUSE SAUCER: A RARE 18TH CENTURY HARD-PASTE PORCELAIN CHAMPION BRISTOL CHOCOLATE CUP AND TREMBLEUSE SAUCER with painted green camaieu floral festoons and rose sprays circa 1770
2022A RARE 18TH CENTURY HARD-PASTE PORCELAIN CHAMPION BRISTOL CHOCOLATE CUP AND TREMBLEUSE SAUCERSee Sold Price
Sold
Bristol teabowl and saucer painted with flowers under a red chainlink border: Bristol teabowl and saucer painted with flowers under a red chainlink border
2022Bristol teabowl and saucer painted with flowers under a red chainlink borderSee Sold Price
Sold
Fritz Heckert Goblet Enameled Helmuth von Moltke: Blown Glass 8" Goblet. Fritz Heckert. Enameled shield for Helmuth von Moltke. Mint.
2015Fritz Heckert Goblet Enameled Helmuth von MoltkeSee Sold Price
Sold
Fritz Heckert Enamel Goblet Otto Von Bismark: Blown Glass 8 1/4" Goblet. Fritz Heckert. Enameled shield for Otto von Bismarck 1815-1898. Mint.
2015Fritz Heckert Enamel Goblet Otto Von BismarkSee Sold Price
Sold
Three English Porcelain Articles plates, 8 inches: Three English Porcelain Articles 18TH CENTURY comprising a pair of Bristol square dishes and large mug, all with floral decoration. plates, 8 inches square; height of mug 6 1/4 inches.
2022Three English Porcelain Articles plates, 8 inchesSee Sold Price
Sold
Indiana, Robert Highball in the Redball Manifest. 1996. Farbserigraphie auf Papier. 42 x 35,5 cm: Indiana, RobertHighball in the Redball Manifest. 1996. Farbserigraphie auf Papier. 42 x 35,5 cm (48,3 x 40,6 cm). Signiert und nummeriert. - In gutem Zustand. Volle, satte Farben.Eines von 395 Exempla
2022Indiana, Robert Highball in the Redball Manifest. 1996. Farbserigraphie auf Papier. 42 x 35,5 cmSee Sold Price
Sold
Sechs Tassen und zwei Untertassen: Sechs Tassen und zwei Untertassen Moskau, M. Dmitrijew (Ende 19. Jh.), 1884 Silber, vergoldet. Unterteller mit getreppter Fahne. Zentral im Spiegel Stadtansicht umgeben von niellierten Rankenwerk auf
2015Sechs Tassen und zwei UntertassenSee Sold Price
Sold
A Kuba Head-Shaped Cup, "mbwoong ntey": Palmwein-Becher, "mbwoong ntey" Kuba, DR Kongo Ohne Sockel / without base Holz. H 18,5 cm. Provenienz: Schweizer Privatsammlung, Zürich. Das heutige Königreich Kuba ist eine von der Herrscherschicht
2019A Kuba Head-Shaped Cup, "mbwoong ntey"See Sold Price
Sold
Ten Venetian Glass Goblets: Ten Venetian Glass Goblets Height 5 5/8 inches. Property from the Estate of Lucia von Borosini Batten, sold to benefit the Albuquerque Museum Foundation
2019Ten Venetian Glass GobletsSee Sold Price
Sold
A Kuba Head-Shaped Cup, "mbwoongntey": Palmwein-Becher, "mbwoongntey" Kuba, DR Kongo Ohne Sockel / without base Holz. H 17 cm. Ø 7,5 cm. Provenienz: Schweizer Privatsammlung, Zürich. Das heutige Königreich Kuba ist eine von der Herrsche
2020A Kuba Head-Shaped Cup, "mbwoongntey"See Sold Price
Sold
A large Chinese export ware terrine with saucer, circa 1790: A large Chinese export ware terrine with saucer, circa 1790Porzellan, glasiert, farbig staffiert. Achtkantige, im Querschnitt ovale Terrine. Seitlich zwei Handhaben in Form von Fabelwesenköpfen. St
2023A large Chinese export ware terrine with saucer, circa 1790See Sold Price

Related Drinkware & Glasses

Whiting Sterling Silver Cup with Handle: A sterling silver cup with handle, manufactured by Whiting. [3" x 4 1/8" x 2 5/8"]. (2.7 ozt.). Provenance: From the Estate of Baroness Gabriele Langer von Langendorff.
15 hrs LeftWhiting Sterling Silver Cup with Handle
$100
An Art Nouveau Sterling Silver Cup: An Art Nouveau sterling silver cup. Manufactured by J.E. Caldwell & Co. [4" x 3 1/4" Diameter]. (4.62 ozt.). Provenance: From the Estate of Baroness Gabriele Langer von Langendorff.
15 hrs LeftAn Art Nouveau Sterling Silver Cup
$100
19th C. Ruby Beaker & 2 Vase: A 19th Century Austrian finely cut ruby beaker on lobed feet with gilt decoration. Together with a green goblet and glass nut dish. As-is. Provenance: From the Estate of Baroness Gabriele Langer von L
15 hrs Left19th C. Ruby Beaker & 2 Vase
$50
Lidded goblet, mid 19th century: Lidded goblet Mid 19th century Colourless cut glass Height 42.5 cm, height without lid 29 cm, diameter 14.5 cm Marked "A. Blomberg den 27. April 1856" or "von seinem J. Geutz" Bevelled on the rim
5 days LeftLidded goblet, mid 19th century
€20
Assorted Crystal Group (10+): Assorted group of crystal, including: a crystal kissing bird stopper; a Kosta Boda vase; a crystal atomizer; a crystal perfume; a crystal box inscribed to Gabriele; an Oleg Cassini signed butterfly wi
15 hrs LeftAssorted Crystal Group (10+)
$75
Pair of Sterling Silver Cups - Glasses: A pair of sterling silver highball presentation glasses having engraved dedications and gold wash interior. Manufactured by Fisher. [Each: 5 1/4" x 3" Diameter]. (Total weight: 9.07 ozt.). Provenance:
15 hrs LeftPair of Sterling Silver Cups - Glasses
$50
Gothic Revival Silver Gilt Chalice & Paten: Gothic Revival Silver Gilt Chalice and Paten, circa 1900, with architectural stem above the life cycle of Jesus to base, the cup struck with "BB" maker's marks and numbered "4243", marked "Sterling" o
Jun 09, 2024Gothic Revival Silver Gilt Chalice & Paten
$400
Continental Silver and Parcel Gilt Rooster-Form Stirrup Cup Late 19th century: Estate / Collection: Estate of Bartlett Burnap The crowned rooster bust with a flared band chased with foliate scrolls. Height 7 1/4 inches, approximately 9 ounces. Good condition overall
May 15, 2024Continental Silver and Parcel Gilt Rooster-Form Stirrup Cup Late 19th century
$200
A rare Chinese famille rose U-shaped "Boy with Chickens" cup with Qianglong six-character Fanggu: A rare Chinese famille rose U-shaped "Boy with Chickens" cup with Qianglong six-character Fanggu seal mark in underglaze blue, probably late 19th/early 20th centuryPorzellan. Die langgezogene Wandung
May 14, 2024A rare Chinese famille rose U-shaped "Boy with Chickens" cup with Qianglong six-character Fanggu
€1,200
A large silver-gilt historicism goblet with cover, 19th century: A large silver-gilt historicism goblet with cover, 19th centurySilber, vergoldet. Auf gewölbtem Fuß mit ausgestelltem Rand. Vasenförmiger Schaft. Spangen mit Fabelwesen. Kuppaansatz mit getriebenen
May 14, 2024A large silver-gilt historicism goblet with cover, 19th century
€1,200
A reservist mug of Sailor Smolka from the S.M.S. Yorck, 1908 - 1911: A reservist mug of Sailor Smolka from the S.M.S. Yorck, 1908 - 1911Porzellankrug (1 Liter) mit gedrucktem, handkoloriertem Dekor: Schiffsdarstellung, Zeppelin, Liebesszene, Trophäe mit Gerät, Anker
4 days LeftA reservist mug of Sailor Smolka from the S.M.S. Yorck, 1908 - 1911
€320
Early Dynastic Cylinder Seal with Worshipping Parade: Circa 2550-2350 B.C. Haematite cylinder seal featuring two horizontal registers with worshipping parades comprising long-robed male priests wearing ankle-length garments, seated on the stool-shaped th
Jun 04, 2024Early Dynastic Cylinder Seal with Worshipping Parade
£440

More Items in Drinkware & Glasses

View More
Thirty-One Venetian Style Glass Goblets: Thirty-One Venetian Style Glass Goblets, Possibly Polish or Italian, 20th Century, Some With Swirl Bowls And Urn Handle Stems. Mouth Blown Glass. Height 9.75-10 Inches. One With Hairline Crack At Rim,
2 days LeftThirty-One Venetian Style Glass Goblets
$1,300
Eight XL St. Louis Thistle Pattern Goblets: Eight XL St. Louis Thistle Pattern Goblets, French, Late 20th Century, Each Vere De Ceremonie Crystal Stem In Original Box With Etched Marks Underside, Gilt Rim On Cut Glass Body, Height 10.5 Inches,
16 hrs LeftEight XL St. Louis Thistle Pattern Goblets
$950
A Kerry Edwards 2004 Campaign Silver Commemorative Julep Cup: A Kerry Edwards 2004 Campaign Silver Commemorative Julep Cup Lunt Silversmiths, 20th Century the body engraved Kerry-Edwards/2004 the opposite side of body engraved 'Together We Made A Difference/ Wit
4 days LeftA Kerry Edwards 2004 Campaign Silver Commemorative Julep Cup
$150
Six Cranberry cut glass goblets: Six etched cranberry glass goblets. Ht. 5 3/4". CONDITION: no chips, cracks, repairs or material defects found, Jaremos attempts to call any material flaw that affects the price, but minor scratches a
5 days LeftSix Cranberry cut glass goblets
$225
Four Chicago, Milwaukee, St. Paul & Pacific Railroad China Olympian Teacup & Saucer Sets: A set of four china teacups and saucers for the Milwaukee Road in the Olympian design with gold detail. This set was given away to female passengers for help serving tea. The 3 1/4" x 2" teacups are t
6 days LeftFour Chicago, Milwaukee, St. Paul & Pacific Railroad China Olympian Teacup & Saucer Sets
$50
Rare and Important Silver Cann. Late 18th: century. Raised bulbous bellied cann or mug with scored, flared rim and rounded bottom on a cast, flared and molded circular foot; hollow, double C-scroll handle has a waterleaf on upper terminal and
15 hrs LeftRare and Important Silver Cann. Late 18th
$2,000
Twelve American Sterling Silver Goblets: Twelve American Sterling Silver Goblets, 20th Century, 4 Stamped International Sterling And 8 Stamped Wallace Underside, Each Height 6-7 Inches, Approximately 1910 Grams Total Weight. See Photos.
16 hrs LeftTwelve American Sterling Silver Goblets
$650
(11) pieces of historic blue Staffordshire. Early: 19th century. Made by Clews and Enoch Woods, to include 10" plate View of the Cadnus, 4" high creamer Landing of Lafayette, 4 1/2" plate Landing of Lafayette, 6 3/4" plate Landing of Lafayette, two ha
15 hrs Left(11) pieces of historic blue Staffordshire. Early
$200
A pair of Ming Chenghua Doucai flowing water and falling flowers cups: A pair of Ming Chenghua Doucai flowing water and falling flowers cups. Size: 4 cm high and 6 cm in diameter
2 days LeftA pair of Ming Chenghua Doucai flowing water and falling flowers cups
$700
RUSSIAN ENAM. SILVER PRESENTATION CUP ALEXANDER GREAT: FINE RUSSIAN ENAMELED SILVER PRESENTATION CUP ALEXANDER III THE GREAT DATED 1888 SIGNED KHLEBNIKOV W/ROMANOV EAGLE TOUCH MARK, H. 4 1/4", W. 10.8 OZ.
May 18, 2024RUSSIAN ENAM. SILVER PRESENTATION CUP ALEXANDER GREAT
$100
Ten Moser Green Glass Goblets: Ten Moser Green Glass Goblets, German, Early 20th Century, Each With Gilt Decoration, Each Height 7.5 Inches, Small Rubbed Areas To Gilt. Chip To Base Of One. See Photos For Additional Condition Infor
16 hrs LeftTen Moser Green Glass Goblets
$350
Colored cut to clear set of 6 tall glasses. Emerald green, green and pink, light red and amber,: Colored cut to clear set of 6 tall glasses. Emerald green, green and pink, light red and amber, light green and teal, light red, and amber cut to clear colors. Heavy blanks. Flower cut body and flower
2 days LeftColored cut to clear set of 6 tall glasses. Emerald green, green and pink, light red and amber,
$2,400
Venetian glass set of 6 goblets with: dolphins, 7 1/4"
May 21, 2024Venetian glass set of 6 goblets with
$55
Napoli Brownie Punch Cup: Napoli punch cup with Palmer Cox Brownie design, signed Napoli. Ht. 2". LITERATURE: similar design, Mt. Washington Art Glass by Betty Sisk, page 158. CONDITION: no chips, cracks, repairs or material d
5 days LeftNapoli Brownie Punch Cup
$325
1927 New Year's Eve Mug Shot and Arrest Record: Typed document with affixed mugshot and stamped fingerprints. Columbus, Ohio, 4 January 1928. 2 pages. Interesting Columbus, Ohio police mugshots of a handsome young ne’er-do-well named Princeto
May 15, 20241927 New Year's Eve Mug Shot and Arrest Record
$50
Chinese Export Silver Covered Two-Handled Cup Luen Wo, Shanghai, circa 1900: Estate / Collection: Estate of Bartlett Burnap The globular body chased with warriors in battle with two dragon-form handles, raised on three mythical beast supports, the domed circular base with chas
May 15, 2024Chinese Export Silver Covered Two-Handled Cup Luen Wo, Shanghai, circa 1900
$1,200

Recommended Tableware & Barware

View More
111 PC TIFFANY & CO. SHELL & THREAD STERLING FLATWARE SET: Set of Tiffany & Co. Shell & Thread pattern sterling silver flatware set. There is a total of 111 pieces including (8) 10 1/4" knives, (8) 9 1/8" knives, (5) 10" knives, (10) demitasse spoons, (10) 7
17 hrs Left111 PC TIFFANY & CO. SHELL & THREAD STERLING FLATWARE SET
$3,000
Lynn Chase "Jaguar Jungle" Dinner Service for 15: Lynn Chase "Jaguar Jungle" Porcelain Dinner Service for 15, comprising: 15 cream soups, 15 salad plates, 15 dinner plates, 15 chargers, 16 teacups and 16 saucers, teapot, two-handled covered sugar, sm
2 days LeftLynn Chase "Jaguar Jungle" Dinner Service for 15
$6,500
Thirty-One Venetian Style Glass Goblets: Thirty-One Venetian Style Glass Goblets, Possibly Polish or Italian, 20th Century, Some With Swirl Bowls And Urn Handle Stems. Mouth Blown Glass. Height 9.75-10 Inches. One With Hairline Crack At Rim,
2 days LeftThirty-One Venetian Style Glass Goblets
$1,300
Tiffany & Co. Sterling Silver Bamboo Pattern: Flatware Set. Mid 20th century. (181 total pieces). To include: thirty-six 7 1/4" dinner forks, twenty-four 6 3/4" salad forks, thirty-six 5 3/4" teaspoons, twenty-four 7 1/4" soup/table spoons, thirt
15 hrs LeftTiffany & Co. Sterling Silver Bamboo Pattern
$5,500
Large Stoneware Jug. 19th century. Blue bird: decoration stamped S. Hall Fulton. 16" high x 11" diameter. Good overall condition.
15 hrs LeftLarge Stoneware Jug. 19th century. Blue bird
$450
Tiffany & CO Sterling Silver flatware Hampton 200 Piece Art Deco Service Bridal Gift Condition: Tiffany & CO Sterling Silver flatware Hampton 200 Piece Art Deco Service Bridal Gift Condition.Tiffany & CO Sterling Silver flatware Hampton 200 Piece Art Deco Service Bridal Gift Condition. DETAILSTh
2 days LeftTiffany & CO Sterling Silver flatware Hampton 200 Piece Art Deco Service Bridal Gift Condition
$12,000
Circa 1880's Burl Walnut Spoon & Line carved Aesthetic Eastlake Style Table with white marble top.: Circa 1880's Burl Walnut Spoon & Line carved Aesthetic Eastlake Style Table with white marble top. Hgt 30" w 30" d 22". Retains its original finish. Study condition. All parts are on the table with no
15 hrs LeftCirca 1880's Burl Walnut Spoon & Line carved Aesthetic Eastlake Style Table with white marble top.
$350
(2) Pennsylvania Stoneware Pitchers. 19th: century. Blue paint, wreath and floral design 10 3/4" high x 8" diameter. Good condition. The other stamped G.L. Williams New Geneva, PA 11" high x 7" diameter. Good condition.
15 hrs Left(2) Pennsylvania Stoneware Pitchers. 19th
$2,600
Aynsley Porcelain Dinner Service: Aynsley Porcelain Dinner Service, English, 20th Century, Cabbage Roses With Gilt Arabesques, Undersides Marked, Comprising 20 Dinner Plates, 9 With Magenta Border, 10.5 In., 16 Salad Plates 8 In., 14
2 days LeftAynsley Porcelain Dinner Service
$1,300
Eight XL St. Louis Thistle Pattern Goblets: Eight XL St. Louis Thistle Pattern Goblets, French, Late 20th Century, Each Vere De Ceremonie Crystal Stem In Original Box With Etched Marks Underside, Gilt Rim On Cut Glass Body, Height 10.5 Inches,
16 hrs LeftEight XL St. Louis Thistle Pattern Goblets
$950
Chanel Triple CC Bucket Bag: Chanel Triple CC Bucket Bag In Black With Gold Plated Hardware. Retains Sticker Indicating 1991-1994. Interior Stamped Made In Italy. Slight Pressmark At Front Left And Small Area Of Cosmetic Residue
2 days LeftChanel Triple CC Bucket Bag
$1,000
Reed & Barton French Renaissance Flatware Set: Reed & Barton French Renaissance Flatware Set, American, 20th Century, Sterling Silver, 77 Pieces, Service For 8, Comprising 8 Dinner Knives 9 In., 8 Dinner Forks 7 In., 8 Teaspoons 6.5 In., 9 Soup Sp
16 hrs LeftReed & Barton French Renaissance Flatware Set
$1,500
(80) Piece Georg Jensen Sterling Silver Pyramid: Pattern Flatware Set. 20th century. Eight 7 1/8" dinner forks, eight 6 1/4" salad forks, eleven 5 3/4" teaspoons, eight 6 1/4" soup spoons, eight 6 3/4" table spoons, eight 3 3/4" demitasse spoons, ei
15 hrs Left(80) Piece Georg Jensen Sterling Silver Pyramid
$2,500
Pablo Picasso "Quatre Poissons" Ceramic Platter: Pablo Picasso (Spanish, 1881-1973), "Quatre Poissons", 1947, Glazed White Earthenware Ceramic Platter, stamped "Madoura / Plein / Feu / Edition / Picasso", marked "I 111" and numbered "23/200" to unde
2 days LeftPablo Picasso "Quatre Poissons" Ceramic Platter
$2,750
Pablo Picasso "Visage Noir Putoise" Platter: Pablo Picasso (Spanish, 1881-1973), "Visage Noir Putoise", 1948, Glazed White Earthenware Ceramic Platter, stamped "Madoura / Plein / Feu / Edition / Picasso", marked "I 105" and numbered "77/200" to
2 days LeftPablo Picasso "Visage Noir Putoise" Platter
$3,250
176 PIECE WEDGWOOD WHITEHALL CHINA SET: Wedgwood Whitehall pattern china set in three colors. Gold and white includes (10) 8" plates, (17) 10.75" plates, (9) 6" plates, (8) 5" bowls, (12) teacups & (12) saucers. Blue rim includes (10) demit
17 hrs Left176 PIECE WEDGWOOD WHITEHALL CHINA SET
$300
item-174999609=1
Satz von zwölf Saint-Louis-Champagnerschalen "Bristol"
Satz von zwölf Saint-Louis-Champagnerschalen "Bristol"
Item Details
Description
Farbloses Kristallglas, geschliffen. Leicht ansteigender Scheibenfuß, Schaft sechsfach geschält, der übergehende Schliff auf der weiten Kuppa in runden Bögen endend. Entw. 1961. Vier Gläser mit Firmen-Ätzstempel. H. 12,3 cm.
A set of twelve French Saint-Louis "Bristol" cut crystal champagne coupe (cup) glasses. Four glasses with acid factory mark.
Frankreich. Saint-Louis-lès-Bitche. Cristalleries de Saint-Louis. Um 2000.
Buyer's Premium
  • 30.95%

Satz von zwölf Saint-Louis-Champagnerschalen "Bristol"

Estimate €500 - €1,000
See Sold Price
Starting Price €500
Sell a Similar Item
Shipping & Pickup Options
Item located in Ahlden(Aller), Niedersachsen, de
Offers In-House Shipping
Local Pickup Available
Payment
KUNSTAUKTIONSHAUS SCHLOSS AHLDEN

KUNSTAUKTIONSHAUS SCHLOSS AHLDEN

Ahlden(Aller), Germany
20 Reviews
1,298 Followers

Related Searches

Price Results
Auctions in Germany
TOP