Although I can find no NYPD type markings on this nice little revolver, after research it appears to be an over run of production for the NYPD. It is a M640-2 .38spl on the .357 mag frame with 2 1/8" full lug barrel and no lock with a satin type finish. Did S&W make this 640-2 in .38 only for general sale, or were these only available due to over run on NYPD production?