I have a 66 with ‘ OC B- 165’ stamped into the frame, left side above the trigger.
Does anyone recognize the markings?
It was bought from someone who said he was a SkyMarshall, but they’re not supposed to advertise the fact that they are plus do/did they ever use .357 magnums?
It’s a well used 66 that I like because I have no qualms taking it hiking in the woods often and using it as intended instead of being a safe queen.
After looking online all I could find was the Organized Crime Bureau?
And I added the Pachmayers, it came to me with large Firestones