American. Walnut grips stamped with a cartouche of an army inspector's initials on both sides. Clear New York barrel address. Approximately 10,500 of this model were manufactured from 1851-1861. All matching Serial #13399 including wedge. Frame marked, "Colts Patent". 7 1/2“ barrel. Action works well. Brown patina with nicks and dents all over. Grips fine with visible cartouche on both sides. New York address fully visible. Number "20" stamped on the butt. Don and Joyce Blyth collection. CODE:FIREA