NOS Gulf Refining Co. Supreme Auto Oil "Leaves Less Carbon" Single Sided Porcelain Sign
Updated August 27, 2026
| Lot number | 0180 |
| Estimate | $50 - $1,000,000 |
| Opening bid | $50 |
| Category | Pottery, China & Glass |
| Auction | September Premier Advertising - Day 1 |
| Date | September 18, 2026 at 9:00 AM EDT |
| Auction house | Richmond Auctions |
| Location | Greenville, South Carolina |
SSP (single sided porcelain) two-piece sign with the original wooden frame and shipping label has day one color and gloss. The upper "Supreme Auto Oil" sign has minor factory blemishes in the field
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