SINCLAIR MOTOR OIL PORCELAIN SIGN W/ BLACK DINO GRAPHIC.
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
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
DSP. A beautiful New Old Stock example of this Circa 1950's Porcelain Service Station Sign from Union 76 Royal Triton Motor Oils showing a large Quart Can graphic on each side. CONDITION: Sign is in o