What is the value of a Colt New Frontier Buntline .22/.22 Mag and a Interarms Virginia Dragoon .357 Mag? Both are used but come complete with box and papers. both have 7 1/2 inch barrels. Dragoon has snake and "Don't Tread on Me" engraved on the bottom of the grip frame. Colt serial number is G1825XX. Interarms serial number is A045xx.