I have a S&W Model 64-1, which was a limited production run of 750 revolvers for the Oklahoma Highway Patrol in 1972. The revolver is a Model 64 chambered and marked as a .357 mag. The following year, S&W brought out the new Model 65. My revolver shows some holster wear, but it is mechanically excellent and the grips are near perfect. Any idea what this revolver might be worth? Any input would be appreciated. Thank you. Sgt. Jeff Schmitz MPPD