I entirely agree with Tom, but this is interesting.
1902 3E 10g with Chain Damascus barrels and the Hunter Arms Proof Mark (Stylized PM and HACo in a square over NP) which was introduced
about 1922.
The gun was returned to Hunter Arms in 1931, has a post-1930 replacement forend and it is likely that the barrels were re-proved after some repair or refinish at that time.
WOW. Proving damascus barrels in the 30s?!? What could they have been thinking