dsfreeworld===================
I have one or two Eisenhower dollars. They are Copper-Nickel Clad. They have similar blue toning.
Your thoughts please?
Quote:
Research the phenomena Thin Film Interference
As for this coin, looks like good old fashioned album toning
Research the phenomena Thin Film Interference
As for this coin, looks like good old fashioned album toning
I have one or two Eisenhower dollars. They are Copper-Nickel Clad. They have similar blue toning.
Your thoughts please?




















