The S&W leather catalogs for the late 70s show the various "State Patrolman" line of holsters. They are usually worn with a Sam Brown belt. The B16 is described as " A rugged holster for medium and large frame revolvers with a 4 1/2 to 6 in. barrel. It has a concealed swivel, metal reinforcing plate, locking swivel, single retaining strap, sight protector and open trigger guard. Available with 2 1/2 in. belt loop, in black only, plain or basket weave." The B36 Model is the same but has cartridge loops on the belt loop. The 34 code is for a S&W K Frame or a Ruger Security six revolver. The catalogs do not list any State Patrolman style holsters for small frame revolvers, however any good custom holster maker could fabricate a J frame holster in the Patrolman style. .Ed.