[Sinister/AMU6]

I think it looks to be in fairly decent shape (what Mr. Cuber points out above looks like a crack on the right barrel foot doesn't seem to show from the rear view). Not much blue wear on the receiver deck, barrel seat, or the bow-tie.

The breech face looks rough but it's hard to know whether those are Colt tool marks or not. Pitting around the firing pin hole, possible scabbing where the barrel hood contacts. I would imagine the face would have more of a polished appearance the more rounds through it.

If I may, why is it you are asking?