Large Vintage Sinclair Aircraft Double-Sided Porcelain Enamel Advertising Sign – 48" RoundGrandview Art & Auctions4.3(1)$400Feb 20, 2026
Sinclair Aircraft w/Plane Logo OPB Milk Glass Globe (TAC)Matthews Auctions, LLC4.6(155)$250(3 bids)6 days Left
Rare Standard Aviation Products 20" Single Sided Porcelain Sign w/ Custom HangerRichmond Auctions4.6(80)$500(6 bids)265 Lots Away
30in DSP Smith-O-Lene Aviation Brand Gasoline Replica SignKraft Auction Service4.4(809)$2521 hrs Left
SoldSinclair Aircraft Replica SignSinclair Aircraft Replica Sign - Offered Without Reserve - There is NO ESTIMATE on this item. - Sinclair Aircraft Replica Sign. It has some minor wear and measures 11.5 inches in diameter.See Sold Price
SoldVan Kannel Sinclair Aircraft Sign Custom Made SignHas very good color and gloss. Shows some wear, bends, and areas where the paint has started to crack. It displays very well in the ring. 48" Rated Custom Made. Original metal ring.See Sold Price
Sold48" Porcelain double sided Sinclair Aircraft signsome rust and corrosion one side has a little more interior rust than the otherSee Sold Price
SoldMetal Sinclair Aircraft SignMetal Sinclair Aircraft Sign Ande Rooney Porcelain signsSee Sold Price
Sold199. Vintage Sinclair Aircraft Porcelain Sign - 1930 Registered U.S. Patent GraphicDiscover a rare piece of aviation and advertising history with this vintage Sinclair Aircraft porcelain sign, dating back to 1930. This meticulously crafted sign features a striking design that showcaSee Sold Price
Sold48" Sinclair Aircraft DS Porcelain Sign TAC 8 & 7.548" Sinclair Aircraft Double Sided Porcelain Sign TAC 8 & 7.5. Display side has good color and some gloss with a few chips and wear. The reverse has more chips and wear. DSP (double sided porcelain siSee Sold Price
SoldRare Unique 8" Sinclair Aircraft Vintage Porcelain Sign Featuring SnoopyDiscover an exceptional piece of aviation history with this rare 8-inch porcelain sign from Sinclair Oil Corporation, featuring an iconic design centered around the lovable character Snoopy. This uniqSee Sold Price
SoldSINCLAIR AIRCRAFT LIGHT UP SIGNSinclair Aircraft light up sign. Worked when tested. Marked May 1983 along bottom. 16" ExcellentSee Sold Price
SoldSinclair Aircraft w/Monocoupe Airplane Porcelain SignRated 8 & 7.5, 48"D., DSP sign display has has good color and some gloss, has a few chips and wear, reverse has more chips and wear, mounted in a new ring. The Authentication Company #037551.See Sold Price
Sold48" Red Sinclair Aircraft Double Sided Porcelain Sign & RingDouble sided porcelain (DSP) sign has excellent color and gloss on both sides. The display has several chips in the field with the largest being 2" in diameter. The outer field has one chip at the topSee Sold Price
SoldVintage Sinclair Aircraft Porcelain Metal Gas SignVintage Sinclair Aircraft porcelain metal gas sign Measures: 12 inchesSee Sold Price
SoldTWO ADVERTISING SIGNSComprising: Sinclair Aircraft & Socony Air-Craft Oils; 10 x 14 & 11 3/4 inches diameterSee Sold Price
Sold48" Porcelain Sinclair Sign RARE single sided version48" Porcelain sign with bright colors, high gloss, minor scuffs, and porcelain chips. Very scarce to find the single sided version. PLEASE READ & UNDERSTAND THE PAYMENT & SHIPPING TERMS FOR THIS AUCTISee Sold Price
SoldLarge Horizontal Sinclair SignSingle sided, porcelain. A rare version of this sign. In pretty good condition, with some areas of wear and paint loss. This sign was once covered in a white paint, but has been stripped down to its oSee Sold Price
SoldDSP United Motors Service Replica SignDouble sided porcelain United Motors Service replica sign. Appears to be in nice condition with light wear from display. Measures approximately 40in across by 22in tall.See Sold Price
SoldSinclair Aircraft Opaline Motor Oil Rocker CanThis is a difficult to find Aircraft version. Both sides have some slight surface wear and scratches throughout, but displays well. Graded 8 and 7.75. 17" x 14" x 8.5"See Sold Price
SoldSinclair Aircraft Gasoline 13.5" Complete Gas Pump Globe w/ Milk Glass Body16.5" T, two 13.5" lenses mounted in a milk glass body. Both lenses are dated 1982 and are in very good condition. The milk glass body is in good condition with one small chip on the base and discolorSee Sold Price
