DESIRABLE PRE-WAR BOSS & CO. 20 BORE ASSISTED OPENING SHOTGUN.
Updated August 24, 2026
This auction ended on September 10, 2026.
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| Lot number | 0236 |
| Estimate | $30,000 - $50,000 |
| Opening bid | $15,000 |
| Category | Firearms & Militaria |
| Auction | September 2026 Sporting Arms | Session One |
| Date | September 10, 2026 at 10:00 AM EDT |
| Auction house | Guyette & Deeter, Inc |
| Location | St. Michaels, Maryland |
SN. 8642. Cal. 20ga. This gun is one of probably less than a dozen made with this very rare self opening feature. Built with 28” nitro proved chopper-lump brls that have concave top rib
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