Spark Plugs Cleaned AC Method Sign
Updated August 28, 2026
| Lot number | 0419 |
| Estimate | $400 - $600 |
| Opening bid | $100 |
| Auction | Early Photography, Advertising and Coin-Op |
| Date | September 17, 2026 at 10:00 AM EDT |
| Auction house | New England Auctions - Fred Giampietro |
| Location | Branford, Connecticut |
Single-sided tin sign. 'Spark Plugs Cleaned and Adjusted by the AC Method 5 cents Each While You Wait'. American, dated 1938. H 29-3/4 in. W 13-3/4 in.
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