Exceptional mahogany case with green velvet with green velvet, containing a superb and rare Kentucky-type single shot, double barrel, 16-chamber removable breech loading shotgun. Breechblock and tailstock finely engraved with foliate scrolls and silver borders. Flat-bodied hammer and rear plate nicely engraved in suite. The whole blued, case hardened, with gilded screws, marked on the breech "S. Day's Patent". Selected, marbled, varnished, finely checkered walnut stock with patch-box and inlays of silver cut-out motifs: soaring eagles, shells, flowers, flower branches, deer and a cartouche engraved with the owner's name "H.M.C. Kee". Patch-box lid decorated with a bear and foliage. Mounts with two barrels: - a round, smooth, tobacco-colored damascus barrel with thunderbolts, inlaid with a small tobacco-colored silver plate. Assembly with screw. Length: 72 cm - a heavy barrel, with sides, striped, with adjustable rise and notch of sights, decorated with a silver border with the thunder, also encrusted with a silver plate of color tobacco. Mounting with screw. Length: 72 cm And its accessories: a removable shooting tunnel, 16 removable chambers with chimney, a copper powder flask with embossed decoration of hares in plain and foliage scrolls with brass spout. T.B.E. About 1840. Silas DAY is a harquebusier, active in New-York from 1831 to 1840, inventor of the system with removable chamber with loading by the breech, New York City.