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Author Topic: rough surface on denarii  (Read 2027 times)

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Offline David Atherton

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rough surface on denarii
« on: November 07, 2005, 01:17:21 pm »
I've had this coin for a while and was wondering what causes this type of rough surface....preservation,  harsh cleaning or something else?

Offline David Atherton

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Re: rough surface on denarii
« Reply #1 on: November 07, 2005, 01:18:43 pm »
Here's the coin:

Offline David Atherton

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Re: rough surface on denarii
« Reply #2 on: November 14, 2005, 02:28:29 pm »
Any guesses??  :-\

Offline Joe Sermarini

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Re: rough surface on denarii
« Reply #3 on: November 14, 2005, 03:58:54 pm »
Probably removal of thick black oxidized silver by cleaning with acid, but that is a guess. 
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Offline David Atherton

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Re: rough surface on denarii
« Reply #4 on: November 14, 2005, 08:09:42 pm »
Probably removal of thick black oxidized silver by cleaning with acid, but that is a guess.

Yea, I was afraid of that...

 

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