Could be staining. I was just assuming because the reverse is a sooty coppery color and the obverse is the yellow with blue and coppery spots.
I know nickel, unlike copper, is very heat resistant so it would take a bit of heat to get the cupronickel to change color.
I know nickel, unlike copper, is very heat resistant so it would take a bit of heat to get the cupronickel to change color.
Edited by Seeker_101
11/27/2024 10:36 pm
11/27/2024 10:36 pm





















