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Licinius Coins - What Is Wrong With This One?

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Topcat7's Avatar
1121 Posts
 Posted 09/06/2015  04:56 am Show Profile   Bookmark this topic Add Topcat7 to your friends list Get a Link to this Message Number of Subscribers

I really like Licinius I coins, and this one is no exception. It is :-
LICINIUS I AE Follis.
Obv: IMP C VAL LICIN LICINIVS PF AVG, radiate, draped & cuirassed bust right
Rev: IOVI CONSERVATORI, Jupiter standing left, chlamys across left shoulder, holding Victory on globe & leaning on sceptre, eagle with wreath left, captive right. X over II Mu in right field.
Mintmark SMKB
RIC.VII.Cyzicus.15

My problem is that this coin is much better 'in hand' than under magnification. What has made the surface like it is?




Licinius-Coins---What-Is-Wrong-With-This-One?

Licinius-Coins---What-Is-Wrong-With-This-One?
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DavidUK's Avatar
United Kingdom
2624 Posts
 Posted 09/06/2015  05:26 am  Show Profile   Bookmark this reply Add DavidUK to your friends list Get a Link to this Reply
"When coins of dissimilar metals are buried together for a long period of time tiny fields of electricity can cause electrolysis between the two coins. Molecules migrate between the two coins leaving pitting on one and accretions on the other. Similar pitting can also be caused by acid in the soil" - Ancient coin collecting volume one.

Presumably badly cleaned coins (either through use of electrolysis or overly harsh acids) could also receive such pitting.
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echizento's Avatar
United States
23731 Posts
 Posted 09/06/2015  1:11 pm  Show Profile   Bookmark this reply Add echizento to your friends list Get a Link to this Reply
I like DavidUK's explanation. For a layman like me, I would just call it environmental damage.
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Athalbert's Avatar
Spain
629 Posts
 Posted 09/06/2015  2:13 pm  Show Profile   Bookmark this reply Add Athalbert to your friends list Get a Link to this Reply
Cleaning with salfumant (chlorhidric acid)
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Topcat7's Avatar
1121 Posts
 Posted 09/06/2015  2:24 pm  Show Profile   Bookmark this reply Add Topcat7 to your friends list Get a Link to this Reply

Thanks David, Ron, Albert.

Beware small photos of coins for sale. Always ask for enlargements.
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Masis's Avatar
United Kingdom
946 Posts
 Posted 09/08/2015  12:53 pm  Show Profile   Bookmark this reply Add Masis to your friends list Get a Link to this Reply
Looks like it had the life zapped out of it by electrolysis.
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