Mid-19th century, .32 caliber, 3-3/8 in., barrels, bar hammer marked ALLEN'S PATENT 1845, the cylinder marked, ALLEN THURBER & CO. / WORCESTER / PATENTED APRIL 16, walnut grips, floral engraving to shoulder. Overall length 8 in.

Nice patina and smooth surfaces to the metal; hammer lifts, but does not strike, adjustment needed.