take a common 2001 or any copper plated zinc penny
put it the oven @ 350 for about 12-15 minutes...this is no joke
and it will tone yellow in color.....
so, what I'm saying is that heat also has a factor in a coins color along with piss-poor composition of alloys
put it the oven @ 350 for about 12-15 minutes...this is no joke
and it will tone yellow in color.....
so, what I'm saying is that heat also has a factor in a coins color along with piss-poor composition of alloys


















