How to polish a coin - Restoring and re polishing French coins

In this video I restore a French coin. On the coin there are many images bearing many identities of the wine country. I see a cross and perhaps a very beautiful temple
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How to polish a coin - Restoring and re polishing French coins

[@user-vn5ny1sw9u]

Que liquido le echaron al final que le dio ese brillo tan bonito?