Pennsylvania House Arm Chair - Sep 29, 2021 | Amaradio Auctions In Nj
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
American Art
Freeman's | Hindman
Sponsored.Your ad here?

Jewelry
Featured
Popular Searches
Fine Jewelry Auction
Kingston Auction House
Sponsored.Your ad here?

Asian Antiques
Browse By Origin
Featured
Day-2 REMARKABLE CHINESE ANTIQUE & FINEART
Wilmington Gallery
Sponsored.Your ad here?

Furniture
Tables
Seating
Cabinets & Storage
Browse By Styles
Featured
Ararity's Antique and Decorative Arts Auction
Ararity Auctions
Sponsored.Your ad here?

Collectibles
RARE BOOKS With NO RESERVE NO BUYERS PREMIUM!
Schilb Antiquarian Rare Books
Sponsored.Your ad here?

Coins
Browse By Origin
Featured Coins
GameNight Coin Auction & Wheel Spin 18 pt2 D3
Key Date Coins
Sponsored.Your ad here?

Home & Décor
Featured
Dining at Home
Freeman's | Hindman
Sponsored.Your ad here?

Clothing
Accessories
Featured Designers

lots of lots
View Auction
Furniture
Chairs
Bergeres
Previous
Lot 0091
Next

Pennsylvania House Arm Chair

Similar Sale History

View More Items in Bergeres
Sold
Elmwood Windsor Style Arm Chair by Stonehouse Collection, Pennsylvania House : Elmwood Windsor Style Arm Chair by Stonehouse Collection, Pennsylvania House . 42 3/4" H ALL DESCRIPTIONS AND ANY CONDITION STATEMENT GIVEN BY LANGSTON AUCTION GALLERY ARE STRICTLY OPINIONS AND LANGST
2024Elmwood Windsor Style Arm Chair by Stonehouse Collection, Pennsylvania House See Sold Price
Sold
Rose Tarlow Melrose House "Flounce" Armchair: with Rose Tarlow paper tag 35 1/2 x 32 x 39 in. (90.2 x 81.3 x 99.1 cm.), seat height: 19 in. (48.3 cm.)
2023Rose Tarlow Melrose House "Flounce" ArmchairSee Sold Price
Sold
PENNSYLVANIA LADDERBACK ARMCHAIR: PENNSYLVANIA LADDERBACK ARMCHAIR, maple and ash, the back set with four arch-top slates supported on sausage-turned posts topped with mushroom-style finials, the shaped arms resting on baluster-form s
2023PENNSYLVANIA LADDERBACK ARMCHAIRSee Sold Price
Sold
Rose Tarlow Melrose House "Tango" Caned Armchair: with metal label; dark finish; the seat covered with leather 37 1/2 x 25 1/2 x 28 in. (95.3 x 64.8 x 71.1 cm.), seat height: 19 in. (48.3 cm.)
2023Rose Tarlow Melrose House "Tango" Caned ArmchairSee Sold Price
Sold
Windsor fan back arm chair, reproduction Pennsylvania style in worn green paint, crest with carved: Windsor fan back arm chair, reproduction Pennsylvania style in worn green paint, crest with carved ears, branded “RB 144,” on reverse, wear consistent with age and use, 41" h. x 20" w. x 1
2023Windsor fan back arm chair, reproduction Pennsylvania style in worn green paint, crest with carvedSee Sold Price
Sold
Rose Tarlow Melrose House "Italian Louis XVI" Armchair Frame: with Rose Tarlow paper tag 43 1/2 x 27 x 24 in. (110.5 x 68.6 x 61 cm.), seat height: 17 in. (43.2 cm.)
2023Rose Tarlow Melrose House "Italian Louis XVI" Armchair FrameSee Sold Price
Sold
GROSFELD HOUSE STYLE HOLLYWOOD REGENCY ARMCHAIR: Hollywood Regency mahogany armchair in the manner of Grosfeld House Furniture Company (American 1930-1975), mid-20th century, having a curving crest rail carved with crests, A V - shaped back, rolled
2023GROSFELD HOUSE STYLE HOLLYWOOD REGENCY ARMCHAIRSee Sold Price
Sold
Danish Mid Century House of Finn Juhl Pelican Armchair: Lounge armchair with grey upholstered fabric, by House of Finn Juhl, Denmark. [29" H x 31" W x 33" D].
2023Danish Mid Century House of Finn Juhl Pelican ArmchairSee Sold Price
Sold
Jean Prouve for Vitra 'Cite' Chair, Black Leather & Canvas, 2 of 2: Jean Prouve for Vitra 'Cite' Chair, Black Leather & Canvas, 2 of 2. Angled reclining armchair with cognac brown leather straps around arm rests and a fabric head cushion strapped around the top of the
2023Jean Prouve for Vitra 'Cite' Chair, Black Leather & Canvas, 2 of 2See Sold Price
Sold
Jean Prouve for Vitra 'Cite' Chair, Black Leather & Canvas, 1 of 2: Jean Prouve for Vitra 'Cite' Chair, Black Leather & Canvas, 1 of 2. Angled reclining armchair with cognac brown leather straps around arm rests and a fabric head cushion strapped around the top of the
2023Jean Prouve for Vitra 'Cite' Chair, Black Leather & Canvas, 1 of 2See Sold Price
Sold
Luciano Frigerio - Arm Chair and Ottoman: Luciano Frigerio - Lacquered wood and skai leather Arm Chair and Ottoman Dimensions 32x36.x5x37
2023Luciano Frigerio - Arm Chair and OttomanSee Sold Price
Sold
Paolo Buffa - Corded Jute Curved Arm Chair: A pair of Paolo Buffa corded jute and walnut curved arm chairs. Dimensions 29.5x20x21
2023Paolo Buffa - Corded Jute Curved Arm ChairSee Sold Price
Sold
Mies van der Rohe - Chrome Cantilever Arm Chair: Mies van der Rohe - Chrome Cantilever Arm Chair. Dimensions 32.5x25x31
2023Mies van der Rohe - Chrome Cantilever Arm ChairSee Sold Price
Sold
Le Corbusier - 'Basculant' Arm Chair: Le Corbusier - 'Basculant' Arm Chair. Dimensions 25.5x24x25
2023Le Corbusier - 'Basculant' Arm ChairSee Sold Price
Sold
Mies van der Rohe - Chrome Cantilever Arm Chair: Mies van der Rohe - Chrome Cantilever Arm Chair. Dimensions 32.5x25x31
2023Mies van der Rohe - Chrome Cantilever Arm ChairSee Sold Price
Sold
Swedish Tall Back Arm Chair: Swedish Tall Back Arm Chair with metal and wood arms and faux shearling upholstery. Dimensions 40x23x28
2023Swedish Tall Back Arm ChairSee Sold Price

Related Bergeres

Mid Century Papasan Wicker Peacock Rattan Back Arm Chairs With Table: Mid Century Papasan Wicker Peacock Rattan Back Arm Chairs With Table in Good shape Check Pictures
4 days LeftMid Century Papasan Wicker Peacock Rattan Back Arm Chairs With Table
$60
Pair of Mid-Century Modern Bentwood Ward Bennett Arm Chairs: Pair of Mid-Century Modern Bentwood Upholstered Ward Bennett (unmarked) Armchairs. Matching pair of chairs with red & blue patterned upholstery on seat and back, and bentwood frames. Have been reuphol
May 18, 2024Pair of Mid-Century Modern Bentwood Ward Bennett Arm Chairs
$50
Pair of Large Arm Chairs by Dennis & Leen of Los Angeles.: Pair of Large Armchairs designed and maufactured in Los Angeles by Dennis & Leen. One chairs retains the original label. Measurements: 39 inches high x 26.50 inches wide x 25.50 inches arm height x 18
May 25, 2024Pair of Large Arm Chairs by Dennis & Leen of Los Angeles.
$800
Thos. Moser Continuous Arm Windsor Chair: Thos. Moser Continuous Arm Windsor Chair. This sleek mid century modern Windsor arm chair by Thos. Moser. Dimensions are 40 in h x 24 in w x 22 in d. Condition is good, some stianing to the wood, stru
May 18, 2024Thos. Moser Continuous Arm Windsor Chair
$50
Mid Century Modern Hans Wegner "The Chair": Mid Century Modern Hans Wegner "The Chair". Classic iconic designed chair. The back appears to have no breaks and the seat cushion is leather. Dimensions are 30 in h x 24.5 in w x 19.5 in d. Seat heig
May 18, 2024Mid Century Modern Hans Wegner "The Chair"
$425
FRENCH NAPOLEON STYLE ROPE & TASSEL ARM CHAIR: Upholstered. Rope and tassel bottom. 39 1/2" h x 32" w x 34 1/2" d. Seat height 17 5/8".
May 23, 2024FRENCH NAPOLEON STYLE ROPE & TASSEL ARM CHAIR
$100
Pair Chinese arm chairs: Pair Chinese arm chairs, ebonized wood finish, openwork and relief carved dragon back panels, plank seats, dragon head arms, 33 1/2" h. early 20th c. Condition: ebonized finish wear and some losses an
May 16, 2024Pair Chinese arm chairs
$60
Carved Mahogany French Arm Chair: Carved Mahogany French Arm Chair. 35" H ALL DESCRIPTIONS AND ANY CONDITION STATEMENT GIVEN BY LANGSTON AUCTION GALLERY ARE STRICTLY OPINIONS AND LANGSTON'S SHALL HAVE NO RESPONSIBILITY FOR ERRORS OR O
May 15, 2024Carved Mahogany French Arm Chair
$10
Renaissance Revival Carved Walnut Arm Chair: Renaissance Revival Carved Walnut Arm ChairAmerican finely carved walnut with period upholstery. With carved lion head crests, griffin arm rests and feet. Seat height: 20 in.Ht. 46 in. W. 30 in. Max D
May 30, 2024Renaissance Revival Carved Walnut Arm Chair
$250
Carved Mahogany Arm Chair with Needlepoint Seat: Carved Mahogany Arm Chair with Needlepoint Seat. 41" H ALL DESCRIPTIONS AND ANY CONDITION STATEMENT GIVEN BY LANGSTON AUCTION GALLERY ARE STRICTLY OPINIONS AND LANGSTON'S SHALL HAVE NO RESPONSIBILITY
May 15, 2024Carved Mahogany Arm Chair with Needlepoint Seat
$10
Mahogany & Upholstered Arm Chair: Mahogany & Upholstered Arm Chair . 36 1/2" H ALL DESCRIPTIONS AND ANY CONDITION STATEMENT GIVEN BY LANGSTON AUCTION GALLERY ARE STRICTLY OPINIONS AND LANGSTON'S SHALL HAVE NO RESPONSIBILITY FOR ERRORS
May 15, 2024Mahogany & Upholstered Arm Chair
$10
Rattan Arm Chair: Rattan Arm Chair. 39" H ALL DESCRIPTIONS AND ANY CONDITION STATEMENT GIVEN BY LANGSTON AUCTION GALLERY ARE STRICTLY OPINIONS AND LANGSTON'S SHALL HAVE NO RESPONSIBILITY FOR ERRORS OR OMISSIONS. THE AB
May 15, 2024Rattan Arm Chair
$10
PIERRE JEANNERET ARM CHAIR: Teak frame. Leather upholstery. 34 7/8" h x 23" w x 26 1/4" d. Seat height 19 1/4".
May 23, 2024PIERRE JEANNERET ARM CHAIR
$1,500
Brown Jordan Arm Chair Set: Brown Jordan metal strap arm chair set (10). 16" seat Ht. x 37" Ht.. Barbara Packer Collection.
May 17, 2024Brown Jordan Arm Chair Set
$350
PIERRE JEANNERET ARM CHAIR: Teak frame. Leather upholstery. 34 7/8" h x 23" w x 26 1/4" d. Seat height 19 1/4".
May 23, 2024PIERRE JEANNERET ARM CHAIR
$1,500
PIERRE JEANNERET ARM CHAIR: Teak frame. Leather upholstery. 34 7/8" h x 23" w x 26 1/4" d. Seat height 19 1/4".
May 23, 2024PIERRE JEANNERET ARM CHAIR
$1,500

More Items in Bergeres

View More
PAIR OF HUANGHUALI OFFICER HAT ARMCHAIRS: Measurements: (EACH) 47-1/2" H x 26-5/8" W x 21-1/2" D Chinese Qing Dynasty officer hat, yoke back arm chairs, Each has a curved, protruding crest rail supported on an S-shaped splat and elegantly cur
May 16, 2024PAIR OF HUANGHUALI OFFICER HAT ARMCHAIRS
$550
Two Louis XV Style Upholstered Armchairs: Two Louis XV Style Upholstered Armchairs heights 35 inches and 45 inches Provenance: From Collection of Steven and Paula Schimmel Woodstock, Connecticut
May 18, 2024Two Louis XV Style Upholstered Armchairs
$100
Hungarian Art Deco Pair of Hungarian Walnut Armchairs, c. 1940: Hungarian Art Deco Pair of Hungarian Walnut Armchairs, c. 1940 mohair upholstery 32 h x 27 w x 32 d in Property from a Private Collection, Chicago, Illinois and Charleston, South Carolina Provenance:T
May 21, 2024Hungarian Art Deco Pair of Hungarian Walnut Armchairs, c. 1940
$1,000
HERMAN MILLER EAMES MCM Armchair & Ottoman: Chair appears to be HERMAN MILLER EAMES (No apparent markings). Lot includes swivel armchair and ottoman. Each piece has X shaped metal base. Chair is upholstered in cream toned leather and has layere
May 15, 2024HERMAN MILLER EAMES MCM Armchair & Ottoman
$125
Pair of Andrew Crace Garden Chairs: Pair of Andrew Crace garden arm chairs. Teak wood. English, circa 1970. H 33-1/2" W 25-3/4" D 27" Condition: Weathering and minor imperfections.
3 days LeftPair of Andrew Crace Garden Chairs
$200
English Windsor Armchair: English Windsor armchair with unusually high back. Circa 1890. Condition: Excellent with minor imperfections. H 48" W 21-1/4" D 26" SH 18-1/2"
2 days LeftEnglish Windsor Armchair
$150
(5 Pc) Louis XV Style Giltwood Furniture Set: DESCRIPTION: fiv Louis XV style giltwood items, each decorated with raised floral and foliage motifs and each upholstered with Aubusson tapestries: (1) Sofa, the back upholstered with a scene of court
7 days Left(5 Pc) Louis XV Style Giltwood Furniture Set
$250
Randall Family Chippendale Carved Mahogany Open Armchair: attributed to Annapolis, Maryland, 1760 to 1770, with pierced splat and scrolled arms, blue damask upholstered slip seat, cabriole legs with pad feet, yellow pine slip seat inscribed "N Randall," 38-1
2 days LeftRandall Family Chippendale Carved Mahogany Open Armchair
$3,000
Pair of Italian Rococo Style Painted and Parcel-Gilt Armchairs, probably Venetian: Pair of Italian Rococo Style Painted and Parcel-Gilt Armchairs, probably Venetian Upholstered a chassis in a cream leather. 40 1/2 x 26 1/4 x 29 in., seat height 18 in.
2 days LeftPair of Italian Rococo Style Painted and Parcel-Gilt Armchairs, probably Venetian
$600
PAIR OF TOMMY SIMPSON (B.1939) ARMCHAIRS, United States, c. 2000, mixed hardwoods, sheep skin, u...: PAIR OF TOMMY SIMPSON (B.1939) ARMCHAIRS, United States, c. 2000, mixed hardwoods, sheep skin, unmarked, ht. 41, seat ht. 19, wd. 25, dp. 26 in. For further information on this lot please visit Bonham
PAIR OF TOMMY SIMPSON (B.1939) ARMCHAIRS, United States, c. 2000, mixed hardwoods, sheep skin, u...
$1,600
Jacques Adnet (French, 1900-1984) Saddle Stitched Leather Armchair, c. 1950 France: Jacques Adnet (French, 1900-1984) Saddle Stitched Leather Armchair, c. 1950 France leather, brass 33 h x 21 w x 19 d in Property from a Private Collection, Chicago, Illinois and Charleston, South Caro
May 21, 2024Jacques Adnet (French, 1900-1984) Saddle Stitched Leather Armchair, c. 1950 France
$2,500
Pair of Yale Windsor Armchairs: Pair of Yale bench-made knuckle arm Windsor chairs. Black paint. H 42-3/8" W 25-1/4" D 23" Condition: Excellent. Link for high-res images: https://www.dropbox.com/scl/fi/c8oljhep1x
2 days LeftPair of Yale Windsor Armchairs
$100
Josep Mora for Egoa "Model 300" Armchairs, 2: Pair of Josep Mora (Spanish, b. 1951) for Egoa "Model 300" Armchairs, with burlwood back and seat on metal base, labels to undersides. 32.54" H x 19" W x 21" D, seat: 17" H. Provenance: From a New Yor
7 days LeftJosep Mora for Egoa "Model 300" Armchairs, 2
$125
Two Pairs of McGuire Rattan Armchairs: Two Pairs of McGuire Rattan Armchairs having custom cushions each with double caned backs height 31 inches, width 24 inches Provenance: Gentlemen's Estate Watch Hill, Rhode Island
May 18, 2024Two Pairs of McGuire Rattan Armchairs
$150
Pair Regency gilt and gray painted armchairs: Pair Regency gilt and gray painted armchairs, 19th c., England, the scrolling crest rail and bead-molded frame with hand-caned back and seat, the loose seat cushion upholstered n floral cotton chintz,
May 16, 2024Pair Regency gilt and gray painted armchairs
$300
Pair Napoleon III style gilt rope-twist bergeres: Pair Napoleon III style gilt rope-twist bergeres, 20th c., upholstered in a snake skin textured velvet, 32"h x 27"w x 22"d, 17"h (to seat) Provenance: A Private Collection: The Carlyle Hotel, NYC
May 15, 2024Pair Napoleon III style gilt rope-twist bergeres
$400

Recommended Chairs

View More
Charles & Ray Eames MCM Lounge Chair & Ottoman by Herman Miller: Charles & Ray Eames MCM Lounge Chair & Ottoman by Herman Miller. This is a three dimensionally shaped plywood shell with a distinctive rosewood/teak veneer. Upholstered in black leather, swivel base i
Jul 07, 2024Charles & Ray Eames MCM Lounge Chair & Ottoman by Herman Miller
$700
Eames Herman Miller Vintage Lounge Chair & Ottoman: Described By:Michelle CNX VX 1625 8217 Title: Eames Herman Miller Vintage Lounge Chair & Ottoman Description:Eames Herman Miller Vintage Lounge Chair & Ottoman Hallmarks or SignatureHerman Miller
4 days LeftEames Herman Miller Vintage Lounge Chair & Ottoman
$1,000
Set of Six Louis XVI Style Carved Walnut Dining Chairs, 20th c., H.- 36 in., W.- 20 in., D.- 18 in.: Set of Six Louis XVI Style Carved Walnut Dining Chairs, 20th c., rectangular moulded backs, shaped moulded seat rail, on fluted tapered legs with toupie feet, in velvet upholstery with nailhead trim,
4 days LeftSet of Six Louis XVI Style Carved Walnut Dining Chairs, 20th c., H.- 36 in., W.- 20 in., D.- 18 in.
$425
Eames for Herman Miller Lounge Chair & Ottoman: Charles and Ray Eames (American, 1907-1978; 1912-1988) for Herman Miller Lounge Chair and Ottoman, model 670 and 671, with tufted brown leather and veneered rosewood, on four casters, Herman Miller In
May 19, 2024Eames for Herman Miller Lounge Chair & Ottoman
$2,250
Guglielmo Pugi (Italian, 1850-1915) Marble Sculpture Reclining Woman: Woman reclining on a couch or bed, highly ornate details. SIts atop black and white marble base. Overall very good condition.
May 19, 2024Guglielmo Pugi (Italian, 1850-1915) Marble Sculpture Reclining Woman
$110
Charles Eames, 670 lounge chair and 671 ottoman: Charles Eames, 670 lounge chair and 671 ottoman, c. 1950s, USA, molded rosewood plywood, black leather, brushed and enameled aluminum, enameled steel, 32.75"h x 33"w x 30"d (chair), 16.5"h x 25.5"w x
May 15, 2024Charles Eames, 670 lounge chair and 671 ottoman
$2,250
Nice set (16) Regency Chinoiserie dining chairs: Nice set (16) Regency Chinoiserie dining chairs, 19th and 20th c., (2) armchairs, and (14) side chairs, parcel gilt and black lacquered wood, hand caned seats, the crest rails with gilt Orientalist sc
May 16, 2024Nice set (16) Regency Chinoiserie dining chairs
$2,250
Custom chintz lounge chair & ottoman: Custom chintz lounge chair & ottoman, 20th c., USA, tight back, loose seat cushion and down-filled throw pillow upholstery in floral printed cotton, skirted over tapering wooden legs, with matching ot
May 16, 2024Custom chintz lounge chair & ottoman
$200
Set (16) Swedish Gustavian gilt side chairs: Set (16) Swedish Gustavian gilt side chairs, Early 19th c., Sweden, gilt and faux bronze painted wood, with acanthus-carved splat and Egyptian herm stiles, padded back and seat upholstered in cream an
May 17, 2024Set (16) Swedish Gustavian gilt side chairs
$2,750
Thomas Moser Cherry Lounge Chair: Thomas Moser Cherry Lounge Chair having black leather, signed Thomas Moser Cabinet Makers Auburn Maine 2008 Mark Gendron length 66 inches, width 26 inches
May 18, 2024Thomas Moser Cherry Lounge Chair
$250
Louis Sognot (French, 1919-2006) Pair of Art Deco Sueded Pig Skin and Zebra Wood Slipper Chairs: Louis Sognot (French, 1919-2006) Pair of Art Deco Sueded Pig Skin and Zebra Wood Slipper Chairs pig hide, zebra wood 32 h x 24 w x 32 d in Property from Suffield House, a David Adler Design: The Estat
May 21, 2024Louis Sognot (French, 1919-2006) Pair of Art Deco Sueded Pig Skin and Zebra Wood Slipper Chairs
$2,750
PAIR OF HUANGHUALI OFFICER HAT ARMCHAIRS: Measurements: (EACH) 47-1/2" H x 26-5/8" W x 21-1/2" D Chinese Qing Dynasty officer hat, yoke back arm chairs, Each has a curved, protruding crest rail supported on an S-shaped splat and elegantly cur
May 16, 2024PAIR OF HUANGHUALI OFFICER HAT ARMCHAIRS
$550
Meeks "Hawkins" Rosewood Parlor Suite C. 1850: J. & J. W. Meeks "Hawkins" Rosewood Five Piece Parlor Suite, Circa 1850. This laminated Rosewood suite includes elaborately pierced carved sofa, armchair, and three side chairs. Center crest is carved
May 18, 2024Meeks "Hawkins" Rosewood Parlor Suite C. 1850
$300
Nakashima (after), pair Conoid lounge chairs: Nakashima (after), pair Conoid lounge chairs, 20th c., USA, black walnut, hickory dowels, with nubby wool upholstered seat and back cushions, unsigned, 33.5"h x 33.5"w x 34"d
May 15, 2024Nakashima (after), pair Conoid lounge chairs
$850
Jean-Michel Frank (attrib.), oak, parchment desk: Jean-Michel Frank (attrib.), oak, parchment desk, c. 1935, France, dark stained sanded oak, the rectangular top inset with cream parchment, over two frieze drawers, on square tapering paneled legs end
May 15, 2024Jean-Michel Frank (attrib.), oak, parchment desk
$7,000
Mario Buatta, custom upholstered lounge chair: Mario Buatta, custom upholstered lounge chair, Late 20th c., USA, tight back and down seat cushion, fully upholstered in brown mohair with cord welt, pleated skirt over upholstered legs, 30"h x 32"w x
May 15, 2024Mario Buatta, custom upholstered lounge chair
$150
item-112181807=1
item-112181807=2
item-112181807=3
item-112181807=4
item-112181807=5
Pennsylvania House Arm Chair
Pennsylvania House Arm Chair
Item Details
Description
43"H, 26"W, 24"D, 18"SH
Buyer's Premium
  • 28%

Pennsylvania House Arm Chair

Estimate $50 - $200
See Sold Price
Starting Price $20
Sell a Similar Item
2 bidders are watching this item.
Shipping & Pickup Options
Item located in Westville, NJ, us
See Policy for Shipping
Local Pickup Available
Payment
Accepts seamless payments through LiveAuctioneers
Amaradio Auctions

Amaradio Auctions

badge TOP RATED
NJ, United States
134 Reviews
1,872 Followers

Related Searches

Price Results
Auctions in New Jersey
TOP