ithaca model and DOB ?
I'm new to the forum, but have read most of the posts about ithaca shotguns.
I just recently found a dbl barrel shotgun in my dumpster. It's in very bad shape but all the #'s are legible. The S/N is 137xx. Why are there 3 pat. dates? May 25, 1880 - June 1,1880 - Sept...