Ghostgirl
Joined: 17 Ekim 2025
Posts: 2
Posted: 17 Ekim 2025, 19:06
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ZacUK
Numista team
Joined: 3 Ocak 2011
Posts: 16706
Posted: 17 Ekim 2025, 20:37
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Looks like acid damage. Those coins have zinc inside and copper outside,
so something splashed on it and the copper got eroded.
N#43
Token collector [1600-1899] with some coins
Mr. Midnight
Catalogue referee
Joined: 10 Mart 2017
Posts: 4329
Posted: 18 Ekim 2025, 01:26
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What about the striations?
Jamais l'or n'a perdu la plus petite occasion de se montrer stupide. -Balzac
rsirian1
Joined: 20 Kas 2020
Posts: 12936
Posted: 18 Ekim 2025, 01:56
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Mr. Midnight
What about the striations?
Quite typical for copper plated zinc coins. https://en.numista.com/forum/topic156307.html#p1221923
Mr. Midnight
Catalogue referee
Joined: 10 Mart 2017
Posts: 4329
Posted: 18 Ekim 2025, 02:01
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oh yes, I thought I had read about that here, did not recall it had its own thread.
Jamais l'or n'a perdu la plus petite occasion de se montrer stupide. -Balzac
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