A 15 bore double barreled percussion gun

A 15 bore double barreled percussion gun, by J Beattie, damascus barrels 29 1/2 in. (right barrel with dents and one perforation), top rib marked 'J. BEATTIE 205 REGENT STREET LONDON', break off breech with well engraved tang, locks engraved with game birds and acanthus scrolls and signed 'J. BEATTIE', scroll engraved hammers, trigger guard engraved and with pineapple finial, but plate with scroll engraved tang, figured walnut stock chequered at fore end and wrist and with initials to a white metal cartouche, wooden ramrod.