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Author Topic: How to clean the crud off this hammered?  (Read 2526 times)
trys
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« on: March 12, 2009, 10:43:10 PM »
Hi all, im after advice on how to safely clean the brown layer of crud from this coin. I've tried the old tinfoil method, but there is no reaction at all. I've had a few like this. Any ideas please?
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DIG IT! (ADIE)
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« Reply #1 on: March 13, 2009, 06:14:14 PM »
My advice is leave it as it is! Wink
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DIG IT! (ADIE)
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« Reply #2 on: March 13, 2009, 06:18:12 PM »
And if you really dont like the look of it give it to me ! lol
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hedgehog
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« Reply #3 on: March 13, 2009, 06:28:16 PM »
It can be improved greatly without damaging the historical or intrinsic value of the coin. I have sent you an e mail Trys, if you need any more info don't hesitate to get in touch.
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trys
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« Reply #4 on: March 13, 2009, 06:32:38 PM »
 Cheesy I never said I dont like the look of it Grin. Guess it'll have to stay like it then as I dont want to ruin it. I've let it soak for a while to see if it softens it, but it looks like it's not gonna shift.  It's weird that i gt no reaction from the tin foil!
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trys
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« Reply #5 on: March 13, 2009, 06:37:00 PM »
Cheers for that mate Wink
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16.5DD (richard)
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« Reply #6 on: March 13, 2009, 06:57:15 PM »
the reason for no raction is because there is no silver in contact with the foil .
the coin has an oxide coating on it .firstly is the coin id'd second if it has is it worth much .thirdly if it is not then and only then pin prick a very small bit if it removes a tiny bit of oxide then get silver /aluminium foil add siliva it should work then but be warned it can take a few seconds only.
but if you like it leave it it may look worse if you remove the oxide there again it may look superb depends on the oxide type.
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« Reply #7 on: March 13, 2009, 07:29:04 PM »
Ed Besly gave a talk at Cardiff Scan on Wednesday and he showed pictures of coins that had a heavy rust deposit that was resistant to everything and eventually they cleaned them with a laser. Don't try it at home though Grin
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