Pontiac Dealership Full Feather Authorized Service DSP Porcelain Advertising SignCheck the Oil Promotions, LLC4.8(635)$475(5 bids)Jun 27, 2026
Rare Dodge Approved Service 30" Double Sided Porcelain Sign w/ RingRichmond Auctions4.6(86)$25Jun 19, 2026
Studebaker Erskine Service 4' Die Cut Double Sided Porcelain Sign w/ LogosRichmond Auctions4.6(86)$175(2 bids)Jun 18, 2026
Buick Authorized Service "Valve in Head" 42" Double Sided Porcelain SignRichmond Auctions4.6(86)$25Jun 19, 2026
Buick Authorized Service "Valve in Head" 42" Single Sided Porcelain Sign w/ RingRichmond Auctions4.6(86)$25(1 bid)Jun 19, 2026
