Manufactured between 1908 and 1955. Blade front sight and folding peep rear sight with the caliber markings on the right side of the chamber block "MARBLE'S/GAME GETTER GUN/MARBLE ARMS & MFG. CO./GLADSTONE, MICH. U.S.A." on the left and a conjoined "FM" in a diamond on the lug. Fitted with a casehardened hammer with swiveling striker, serrated trigger, smooth grips and a nickel finished folding stock. 2 inch chamber, cylinder choke and a 14 inch length of pull.