Cleaning 1902 coronation medal

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Cleaning 1902 coronation medal

Post by les-27 » Fri Mar 16, 2018 7:22 am

Hi folks I found this 1902 edward and alexandra coronation medal yesterday. It is made out of a very light metal.can anyone tell me if it can be cleaned or is the dirt corrosion and it's to far gone :-/ thanks in advance les ::g
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Re: Cleaning 1902 coronation medal

Post by sweepstick47 » Fri Mar 16, 2018 10:35 am

Helo 'Les-27' ::g I'm afraid the Edward VII Coronation medal was commonly struck in a light alloy which suffers very badly once in the ground for any length of time. The oxidised surface quickly becomes pitted encouraging more decay, so it's very unlikely that anything other than boiling it in water to help stop the decay process followed by an application of a fairly neutral sealant (petroleum jelly or similar) to keep the 'air' out will provide much improvement. Realistically, it's probably too far gone by now :( . Good Luck finding a better example ::g Regards ss47
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