Polarine The Perfect Motor Oil "Consult Chart" 30" DSP Sign
Updated August 6, 2026
| Lot number | 0070 |
| Estimate | $25 - $500,000 |
| Opening bid | $25 |
| Auction | Rustbelt Americana Advertising Auction |
| Date | August 7, 2026 at 2:00 PM EDT |
| Auction house | Richmond Auctions |
| Location | East Moline, Illinois |
DSP sign has excellent color and gloss. The display has light surface wear in the fields with small chips along the perimeter. The reverse is in a similar condition with small chips in the upper
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