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Copper finish for pewter chess pieces, how to?

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I am retired and as a hobby I have cast some pewter chess pieces I would like find a simple and inexpensive method of putting a copper finish on some of the pieces.

Bob Sammons
- Toms River, New Jersey, USA

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Try this German recipe: Mix some potassium tartarate and copper sulphate solution, then rub it on objects (with piece of cloth, or leather or cork). Lacquer it!

Goran Budija
- Zagreb, Croatia

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