Sinclair Oil Double-Sided Porcelain Sign
Updated August 23, 2026
This auction ended on September 5, 2026.
See upcoming auctions from Kruse Auctions or current pottery, china & glass auctions.
| Lot number | 3006 |
| Estimate | $200 - $50,000 |
| Opening bid | $200 |
| Category | Pottery, China & Glass |
| Auction | 56th Annual Auburn Auction & Show - Day 3 |
| Date | September 5, 2026 at 10:00 AM EDT |
| Auction house | Kruse Auctions |
| Location | Auburn, Indiana |
1950s-era advertising promoting Sinclair Extra Duty Motor Oil, rather nice with two mounting holes near top showing minor chips and light surface wear.
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