I think this turns striation lines into an annealing issue
IMHO, I think they are separate and happen to both occur on these coins.
Some of your images seem to show a weakness of strike near the rims that also coincide with the prevalence of these striation lines.
If I remember correctly, weakness of strike, tilted dies, tapered planchet or metal flow into the devices were some of the reasons for the striation lines still being visible.
(We might need to add uneven planchets to the list of causes for the striation lines still being visible after the strike. With three layers of metal on clad coins there may be more chances for irregular thickness to occur on any of the layers during the production.
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Edited by Petespockets55
09/22/2021 08:48 am