This is an early Ruger known as the mark I "standard model" made in 1964. There is no serial number prefix and it has the original magazine as well as a modern replacement. Has the desirable 4 3/4 inch barrel.
Price is 400. CALL OR TEXT 254 707 6050 WACO (I WILL NOT RESPOND TO MESSAGES ASKING WHERE I'M AT. I've clearly stated I'm in waco.