Sinclair Pennsylvania Motor Oil "Mellowed 100 Years"

Single-sided Sinclair Opaline Motor Oil metal gasoline advertising sign, featuring classic dinosaur mascot with stylized lettering, slogan reads "Mellowed 100 million years", marked "Thompson Service

5 Sinclair Extra Duty Triple X Multi-Grade Motor Oil .946 liter, 5 Sinclair Aircraft Oil .946 liter, 5 Sinclair Opaline Motor Oil Mellowed 80 Million Years

5 Sinclair Extra Duty Triple X Multi-Grade Motor Oil .946 liter, 5 Sinclair Aircraft Oil .946 liter, 5 Sinclair Opaline Motor Oil Mellowed 80 Million Years

1927 The Saturday Evening Post Sinclair Opaline Motor Oil 17"x 13", Collier's The Natioal Weekly Mellowed 80 Million years Sinclair Opaline 14" x 11", 1932 Mellowed A Hundred Million Years Sinclair Pe

Vintage round 5 gallon metal petroleum can marked Pennsylvania Mobiline Motor Oil, Guaranteed by Sinclair Refining Co. to be 100% Pure Pennsylvania Grade Oils, medium heavy grade w/small swing handle

SSP. Sign shows an Ink Stamp, "Sinclair SP-1". A very scare Circa 1930's Porcelain Sign from Sinclair Oil Company advertising Sinclair Pennsylvania Motor Oils and showing the iconic Sinclair script as

SSP. Sign is Ink Stamped, "Sinclair SP-2". An excellent example of this iconic and highly sought after Porcelain Sign from Sinclair Motor Oils. Sign features excellent Sinclair script as well as Black

15" x 60 SSP sign with bright colors, high gloss, scuffs, a porcelain chip on one of the mounting holes, and some minor porcelain chipping on the left bottom edge. * PLEASE NOTE, THERE IS ONLY ONE W

SSP self-framed sign has excellent color and gloss. The sign has chips in the fields and around the perimeter. Overall the sign displays very well with bright colors throughout. 60" x 15". PLEASE NOTE

SSP. Highly sought after C. 1930's Porcelain Truck Sign for Sinclair Pennsylvania Motor Oils showing "Black Dino" graphic with Sinclair shaded script. CONDITION: Sign is in fair condition overall show

60" x 14.75" SSP sign has been professionally restored. The sign is very clean overall with minor fine scratches in the field and slight discoloration at some of the mounting holes. The reverse is mar

10" x 40" SSP vertical sign with bright color and gloss. There is light edge wear with small chips and small chips around the mounting holes. Age unknown. PLEASE NOTE, THERE IS ONLY ONE WAY TO PAY FOR

Vintage single sided porcelain Sinclair Pennsylvania Motor Oil vertical advertising sign. Sign has porcelain loss, damage, and wear from use and age. Displays well with great colors and self embossed

1 quart can with handle

1 quart Sinclair Pennsylvania Motor Oil can -Good

Porcelain convex sign. 9 3/4 in x 39 1/2 in.

New contemporary vertical SSP sign with bright color and gloss. There is light edge wear, chips around the mounting holes, a small bend on bottom left corner. 40" x 10". PLEASE NOTE, THERE IS ONLY ONE

Empty metal quart can with wear, has been opened on side on reverse

Wartime glass quart bottle with litho lid

Good condition!

Empty metal five quart can with some overall surface wear, missing top lid

Empty metal five quart can with minor wear, has a dent at upper left

DSP. An absolutely incredible example of this CA. 1930's Porcelain Curb Sign from Sinclair Motor Oils showing large Sinclair script as well as "Black Dino" graphic. CONDITION: Sign is in absolutely ou

12" Sinclair Pennsylvania Motor Oil Standing Black Dino Single Sided Porcelain Sign TAC 9. SSP (single sided porcelain) sign has great color and gloss with a clean field and chips around the perimeter