Harley-Davidson Motorcycle Champion Spark Plug
Updated August 6, 2026
| Lot number | 0270 |
| Estimate | $10 - $10,000 |
| Opening bid | $10 |
| Category | Vehicles & Automotive |
| Auction | Motorcycle Advertising Collectibles Auction |
| Date | August 16, 2026 at 6:00 PM EDT |
| Auction house | Check the Oil Promotions, LLC |
| Location | Louisville, Ohio |
1x1x2.75
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