1978 dime

Moderator: Daniel

First unread post • 5 posts • Page 1 of 1

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Renaescoins: Coining Around; Posts: 14; Joined: Wed Apr 10, 2019 10:51 am

#1 Unread post by Renaescoins » Tue Apr 16, 2019 8:27 pm

Does anyone know what causes the black spots on this dime?

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mhonzell: Administrator; Posts: 2181; Joined: Mon Jul 22, 2013 2:14 pm; Location: Missouri; Has thanked: 2 times; Been thanked: 9 times; Contact:
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#2 Unread post by mhonzell » Tue Apr 16, 2019 10:08 pm

Corrosion due to contaminants on surface.

Daniel: Administrator; Posts: 13220; Joined: Wed Jan 28, 2009 4:59 pm; Location: Ohio; Has thanked: 46 times; Been thanked: 90 times; Contact:
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#3 Unread post by Daniel » Wed Apr 17, 2019 6:16 am

Environmental damage.

Paul: Master Die Variety Examiner; Posts: 5276; Joined: Wed May 29, 2013 9:19 pm; Location: Wisconsin; Has thanked: 26 times; Been thanked: 40 times