G Glennz Elite Member Joined Nov 21, 2012 Messages 1,556 Location Alaska - The Valley Mar 22, 2017 #1 Wondering if anyone has noticed what materials tone coins certain colors I might go through some wrappers to look for toned stuffand try some things on some bullion rounds
Wondering if anyone has noticed what materials tone coins certain colors I might go through some wrappers to look for toned stuffand try some things on some bullion rounds
Mikey48 Forum Supporter Joined Aug 29, 2016 Messages 723 Location Michigan Mar 25, 2017 #2 sulfur turns silver black and probably (don't know for sure) darkens brass and copper.