Coin Cleaning Technique

Not sure if this is suitable for every coin, but he uses this on very old coins.
I’ll try it, and tell you how it goes.
I’ve probably mentioned this guy previously - he is my favourite detectorist.

FYI billion is a coin made with Silver and Gold that is mostly a non valueable base metal eg Copper.

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Cool video - very informative. I thought the boiling of the silver coin in oil was a safe approach to cleaning.