[dankwell]

Interesting post. Lucky! I don't recall ever seeing one like it

 

[dankwell]

My rookie eyes are fixated on the breech face. First, Colt didn't seem to be concerned with removing the tool marks from it. Second, the breech face doesn't bear the indentations from the case heads that pistols with a lot of rounds on them typically do. Third, who knows the cause of all of the tiny punch-like marks at the top of the breech face? I don't recall ever seeing those.