Today wile in the woods i got a nice high tone dug down out came a big slug then as i was scaning about 50 ft west i found an old green shell looked big , when i got it home and cleaned it up i noted it was a rime fire and had an H in the middle so i looked it up and it is from a heny repeating rifle 1st made in 1860 and this kind of round was discontinued in the 1930s proof positive I am in the silver range, and a standing liberty could come out or a merc