Details
A 20-BORE HAMMER-GUN BY BOSS, No 2891, Jones patent rotary-underlever, rebounding backlocks, high-spurred hammers, percussion fences, best foliate-scroll engraving, brushed bright and reblued finish, well-figured stock, rebrowned damascus barrels with sunken rib
13¾in. stock, 28in. barrels, proof exemption (sold as unsuitable for use)
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