Jul 15, 2026COLLECTION OF 2: CONOCO LADIES AND MEN PORCELAIN SERVICE STATION REST ROOM SIGNSEst. US$200-US$500US$100Dan Morphy AuctionsDenver, PA
Jul 15, 2026CONOCO GASOLINE EMBOSSED TIN SIGN W/ COLONIAL MINUTEMAN GRAPHICEst. US$3,000-US$5,000US$1,500Dan Morphy AuctionsDenver, PA
Jul 15, 2026CONOCO GASOLINE EMBOSSED TIN SIGNEst. US$2,000-US$4,000US$1,000Dan Morphy AuctionsDenver, PA
2 days LeftConoco Gasoline sign, TAC #062497Est. US$50-US$10,000US$50(1 bid)Chupp Auctions & Real Estate, LLCShipshewana, IN
Jul 14, 2026Conoco (motor oil) Porcelain Rack Sign (TAC)Est. US$50-US$10,000US$25Matthews Auctions, LLCWaterloo, WI
2 days LeftConoco Green SSP Porcelain Pump Plate SignEst. US$250-US$25,000US$200(3 bids)Check the Oil Promotions, LLCLouisville, OH
Jul 14, 2026Conoco Royal Porcelain Pump Plate SignEst. US$50-US$10,000US$75(2 bids)Matthews Auctions, LLCWaterloo, WI
Jul 14, 2026Conoco "Do Not Oil While In Motion" Porcelain Sign W/ Logo GraphicEst. US$50-US$10,000US$25Matthews Auctions, LLCWaterloo, WI
2 days LeftConoco Gasoline with Ethyl 30" DSP Porcelain Advertising Sign with RingEst. US$250-US$25,000US$550(6 bids)Check the Oil Promotions, LLCLouisville, OH