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jabberwocky666
1 year ago

This should be a copper sealing ring. It doesn’t matter how you pick up the patina. You can put in Cola.

If you ever find copper coins: They can’t be treated wet! Also not with water or sink. This will allow you to dry and then take a small brush, cut its bristles very short and thus brush them (dry!!!).

BluePolicebox
1 year ago

I would recommend strong alcohol or even better propyl alcohol

BluePolicebox
1 year ago
Reply to  Staumacher459

No, schnapps is not going

Walum
1 year ago

Vinegar.

Walum
1 year ago
Reply to  Staumacher459

Pure. Leave it on for an hour and then scrub thoroughly.