1971 O-Pee-Chee High Number Sonny Siebert Baseball
Updated September 2, 2026
This auction ended on October 1, 2026.
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| Lot number | 256 |
| Auction | Sept Sports Collectibles Online Auction |
| Date | October 1, 2026 at 6:59 PM EDT |
| Auction house | Fastbid |
| Location | Cambridge |
1971 O-Pee-Chee (OPC) baseball card featuring Sonny Siebert of the Boston Red Sox, card #710. This is a high number card, part of a subset known for its rarity. Front displays a color action image with facsimile signature, while the back includes player statistics and bio details. The card condition is consistent with vintage cards, showing standard age-related wear.
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