I've checked over all the stamps and they don't seem to be japanese. The mark over the BV looks like a wedge that tapers up from the BV, with rounded top corners and placed in the center at the top is a diamond. It looks like a pretty typical crown BV mark to me.
I do think it is odd that the Japanese copies on the gunsport site have a makers name and Japan on them. And that this one doesn't.
I do think that someone was playing games with the proofs though. You couldn't mis-stamp nitRO PROof and get exactly the same RO PRC unless that was the stamp that you had.
I will have the barrels examined by a gun smith. I am worried that a smith that doesn't do an actual proofing would not have much to go on other than barrel thickness. Are there any U.S. smiths that do a true barrel proofing?
