I can always count on my pocket change for a subject to research almost daily.
Any thoughts ?
Either corrosion or it has been in a fire. In either case, it is PMD, not an error.
There is no way that could happen during the striking of the coin.
The even appearance says corrosion to me. Yes, post mint damage.
Thanks for the reply.
I think it would look good in a fish tank along with the other nic-nacs.
Weight it - could be a coin soaked in acid.
"When they can't find anything wrong with you, they create it!"
I did just that, for giggles, yesterday.
Both weight 5.5 as she now has friends.