Kenkoehn1950
Jr. Member
- Jan 18, 2013
- 94
- 71
- Detector(s) used
- Spectrum XLT, ATPro
- Primary Interest:
- Metal Detecting
Found two penny size coins that were pretty well coated with green "stuff". I tried putting them in vinegar/baking soda mixture hoping the green would disappear and I could determine type of coin as well as year. No such luck.....does anyone have any recommendations to get crusty green off of coin? I know they are copper because I accidentally scratched one.