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remarkable results with sodium thiosulphate


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Posted (edited)

Last week I won this Alexander III hemidrachm at a UK auction. Hammered for £9. Totally encrusted with horn silver but still identifiable. I felt like it would probably clean up okay.

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Received the coin today and wasted no time in applying a treatment of sodium thiosulphate. This is after about 4.5 hours total soaking. I probably could do a bit more but I'm a big fan of knowing when to stop.

Anyway, excuse my horrible pictures but I was excited to show. Will take ones with proper camera tomorrow.

A significant improvement. I believe this to be Price 3605, struck at Babylon, judging by the symbol between the legs of the throne.

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Edited by wuntbedruv
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