I wouldn't use baking soda. Also clearing their patina away makes them less valuable. If I would have to use something I would use cleaning compounds for non ferrous metals but that's only with coins that have a very thick crust on them
I wouldn't use baking soda. Also clearing their patina away makes them less valuable. If I would have to use something I would use cleaning compounds for non ferrous metals but that's only with coins that have a very thick crust on them
Why less valuable?
Like?
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authentic!yes @trumpman better leave them as they are...
Too late now 😂
H3PO4, Acetic acid and surfactants!
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I'll check those out, thanks!
I don't think you have exactly what I use to clean coins in Greece and can't find how it's called in English
Love juice?
the label is English fortunatelyhttps://www.dedeman.ro/baia-mare/solutie-pentru-curatat-metale-neferoase-sano-multimetal-330-ml/p/7000873
H ₃PO ₄ :)
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Is that alien language?
A mixture between Latin and Arabic.
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