There are proof codes before the 1920s
There are no date codes before the 1920s

I do agree with you that this gun was made way before
the 1920s

The BNP Crown has been used since 1954 and I think the
entire proof stings was added at reproof.

There are three proof date codes, I can only read one at this time

Mike

Last edited by skeettx; 11/22/18 03:34 PM.