It's a clip - remember, the proto-rim is applied by the upset mill after the planchet is cut out of the sheet. So the mill creates most of the proto-rim on a tiny clip like that.
-----Burton
Author: 3rd Edition of the Sample Slabs book, https://www.sampleslabs.info/
50+ year / Life / Emeritus ANA member (joined 12/1/1973)
Life member: Numismatics International, CONECA
Member: TNA, FtWCC, NETCC, EveryCountry (online) coin club
Owned by three cats and a wife of 40+ years (joined 1983)
Author: 3rd Edition of the Sample Slabs book, https://www.sampleslabs.info/


























