Sinclair Opaline Motor Oils Single Sided Porcelain Sign
Updated August 6, 2026
This auction ended on August 21, 2026.
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| Lot number | 0271 |
| Estimate | $100 - $100,000 |
| Opening bid | $25 |
| Category | Pottery, China & Glass |
| Auction | Advertising, Americana, and Automobilia |
| Date | August 21, 2026 at 10:00 AM EDT |
| Auction house | Rockabilly Auction Company |
| Location | Hartwell, Georgia |
15" x 60" vertical SSP sign has general wear throughout the field with chips, crackled porcelain, and stains. The perimeter and mount holes have porcelain chips.
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