Don in SJ
Silver Member
- May 20, 2005
- 4,932
- 837
- Detector(s) used
- MINELAB SE Pro
- Primary Interest:
- All Treasure Hunting
The PDF file I have here is a good read, I recommend reading it to give a better understanding of "cleaning" of coins.
http://www.ncscoin.com/pdfs/conservation_guide.pdf
http://www.ncscoin.com/pdfs/conservation_guide.pdf