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Author Topic: Medieval Hammered Copper Coin  (Read 3215 times)

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Offline Batista

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Medieval Hammered Copper Coin
« on: September 03, 2017, 08:28:55 pm »
Hi all,

This time I have a Medieval Hammered that I think its copper.
It has hard green crust...
Need your advice on how to clean it please. Thanks!



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Offline SC

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Re: Medieval Hammered Copper Coin
« Reply #1 on: September 08, 2017, 06:20:12 pm »
Thin and possibly quiet brittle.  Hard to handle.

Personally I would brush with soft brass brush (soft is the key).  See if the green wears down enough to get identifying details.  If that doesn't work I would try gently scraping with a sharp scalpel.

I have had moderate success with some similar sized late-medieval Polish and Hungarian coins that I have found in uncleaned lots.

SC
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SC
(Shawn Caza, Ottawa)

Offline Batista

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Re: Medieval Hammered Copper Coin
« Reply #2 on: September 09, 2017, 06:37:25 am »
Thank you for the input otlichnik!  +++ Will try that !!! 
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Offline Joe Sermarini

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Re: Medieval Hammered Copper Coin
« Reply #3 on: September 09, 2017, 09:30:06 am »
Next time please crop you photos - more coin, less hand.
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Joseph Sermarini
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