They are unique, and like many classic firearms, we will never seem them duplicated.
I’m a big revolver fan, here is a thread I posted about my “gangster era” Colts and Smiths.
http://www.freerepublic.com/focus/f-chat/3290608/posts
Here's another Dad gave me. He got it from his dad, who got it from a cousin who was a cop in SE Texas.