Well, Cambo,thanks, they should be small stamps like: crossed swords, a "V" or two. "65" or "70", (chamber length)
I have no doubt someone more knowledgeable that me will be along to assist, and there are lots of those here. Those look like Damascus barrels, so the gun might be made 1880ish
The gold barrel bands are more appropriated on muzzle loader barrels.
Raimey, wherefore art though?
Mike