It's an interesting feature, but thinking further on this one I don't think a date punch created this. The look is entirely different for RPDs or even overdates. Most likely an interesting die chip spanning the length of the "1" digit.
Apparently the entire surface is eroded. It may just be a part of the surface that has not eroded. Very best regards, collect89
Disgraced former Gov. Spitzer of New York. He was the guy who used the high-priced hooker. It was in all the papers.
Now this guy I know , one of Illinois finest Gov. Blagddevich or however he spells it , soon to be #1988764 at a resort near you , they'll never send him to our wonderful state penal instatutions .:thumb: rzage:whistle: