I appreciate the help folks... never even crossed my mind to talk to a collectors group, I'll search some up online.
Sal... yes, everything still works, except that I have to manually index the cylinder. This was an old Bolivian (I think) that had the fancy unit and government marks, the finish was in real bad shape. I liked the way it shot, the bore didn't look all that great but it hits where you point it.
When the mainspring failed and while I had it apart I decided to Duracoat it. It looks great now, in woodland tan, except for the manual indexing

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UncleNick... I'll try and build one out of last recourse, this spring has some "funny" shapes in it and it might be a real bear to try to duplicate, it looks like a ton of hand filing. Do you just heat to a cherry red and oil quench to make a spring?
I'll get her right again, the pistol just has a good feel to it, pointability I'll call it.