I have a Krag that my grandfather reportedly used in the Spanish-American War. It has model 1898 on it with a S/N 332861 Springfield Armory. The 6 in the S/N may be a 5. It is struck so deep it is difficult to make out. On the stock left side above the trigger are letters engraved in a fancy script which is hard to make out. I think there are 3 letters and the last one is probably an A. below the letters is the number 1901. Please help identify the rifle. I also need a rear sight. If blueprints are available I can make one as I am a tool and die maker machinist and I have access to a machine shop. Thanks in advance. P. Armstrong :'(