Marked "ALLEN'S PATENT" on top of the hammer, "J.G. BOLEN, N.Y." on the left side with a dot border and "PATENTED 1837 CAST STEEL" on one of the barrel ribs. The matching serial number 10 is marked on the barrel, inside of the trigger guard, on the left side of the frame under the grip and on the inside of each grip panel. The frame and metal grips (possibly pewter) are engraved with a floral scroll design (they are both internally numbered "10"). Complete in a wooden case with a paper dealer label affixed to the inside of the lid, green velvet lining, nickel powder flask, silver cap tin, brass bullet mold and cleaning/ramrod with wooden handle.