A 12-BORE 1865 PATENT DOUBLE-BARRELLED ROTARY-UNDERLEVER HAMMERGUN, serial no. 12469,
circa 1870, 30in. nitro reproved bold damascus barrels, the rib engraved in elaborate script 'John Manton. Son. &. Coe. Dover Street. London.', 2 3/4in. chambers, bored approx. true cyl. in both, John Emme patent extractor mechanism, patent no. 1460 of 25th May 1865, Jones patent rotary underlever, carved percussion fences, signed non-rebounding back-action locks with dolphin hammers, fine border and bold acanthus scroll engraving, 15in. stock including 1 3/8in. wooden extension with steel heel and toe plates, weight 6lb. 15oz.
