Looking at some rolls and need to ask what is this?

Type2

Is this not coined right the rim is not round it has a lip on it. Thanks in advance, Type2.

AUandAG

railroad rim, or some such nomenclature. Nice find. I've seen them on silver dollars,
what coin is this?
bob

sinin1

edge fin from thicker than normal planchet

Type2

<< <i>railroad rim, or some such nomenclature. Nice find. I've seen them on silver dollars,
what coin is this?
bob >>

I found Half a roll of them in this 1959-P.