Quote:
Originally Posted by hkcavalier
Black anodizing turning purple is a well-known defect in the metal finishing world. Improperly sealed is mostly likely. UV light will fade anodizing too, but this is far too uniform.
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I 100% defer to folks who have hands-on experience in this area, so I am most definitely not saying that you are wrong and I'm confident that you know what you're talking about.
Experience with handguns has shown me that lots of 39-2 and Model 52's show the heavy plum color, but on the 39's it's been only on the blued steel slide and not the frame, and on the 52's it's been on both slide and frame and the frame is steel. I've also seen it on Taurus revolvers from years gone by.
I can't recall seeing this plum color on anodized alloy frames before this picture and I agree that it's so even that it looks like it was done on purpose.
30xxx is probably around 1962 or 1963, yes?