S&W Victory Model Holster H.H. Heiser-Denver, Colo.

[Armistead]

New member here. I would like to say thank you to anyone taking the time to read this post and possibly answer a question or two that I have about this holster. I recently purchased this holster on Ebay and as usual probably paid too much for it but it's the first one I've seen made by Heiser. It is probably post war (WW2). Does anyone have any information as to the time frame that H.H. Heiser might have made holsters for the U.S. Military for the Victory Model and or Commando? The MRT stamp looks like December 1956. Thank you very much.