Originally Posted by Drew Hause
The gun was originally proved 1896-1904, and clearly marked CHOKE
Reproved 1955 if the date code is 'FB'; 1964 if 'PB' with bore .729"
The original 12 would be .729 - .739 so likely not honed
Yes, crolle damascus barrels

You might ask the seller to chalk or grease pen the top rib to get the words

Thanks - that's where I am on the proofs as well.

Between the wizardry of 4x optical zoom and the macro lens on the iPhone 17 Pro...and an "Ansel" action I built in Photoshop, I'm going with it being "FB":

[Linked Image from i.postimg.cc]

...so 1955.

Getting the gun out into sunlight makes it more visible.

I appreciate almost everyone who pointed that out for me - it makes the gun more interesting to me.