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It was used to repair a portion of coin where the patina was missing. Product worked very well and is ...

Beautiful pieces with a nice verity and they all have a solid patina ...

Had a Tarsos stater and Achaemenid Persian siglos restored. Can't say enough about the value of Kevin's work. Quality work ...

I've used this product on 3 coins that had been cleaned too enthusiastically, and the results have been very good. ...

Amazing stuff, but beware, not a single time the same result with any solution. ...

Fantastic! Excellent cleaning and preservation job performed on four of my Ancient Egyptian bronze antiquities; NRC cured bronze disease that ...