Probably my favorite TV show when I was a youngster was "The Untouchables", starring Robert Stack. Black and white, and probably every one of the "Federal Agents" wore a Lawrence shoulder holster. Boy, did I want one of those.
You youngsters won't remember the show. Ran late 50s to maybe 1960.
Here's another shot...how could these guys not be my heros? Of course, I later learned that the screenwriters gave the Untouchables credit for just about every arrest made in the country, no matter what agency made it, but for me as a kid, these guys were "gangbusters"!!!
I think the one used on the show (they must have bought them by the case) was the Number 7:
Anyway, I have mine around here somewhere, and if I can find it, I'll post a photo. Haven't seen one on this thread yet.
Best Regards, Les