tarnex
brasso
tie clip
plated fake
glue for carpet in safe
mint packaging from other sets
air pollution
oil from fingers
stored in the attic
cherry wood box/holder
bleach
coin cleaner
ammonia or sulphur
in some clothing
kitchen cupboard
heated by a lightbulb
1928 and 1928 a-g, 1952 and 1953 a-c, 1963 & 1963a, 1976, 1995, 2003 & 2003a. You could get a US $2 with a S/N starting in 1986
I'm just guessing, but it seems to be too round?
Congrats on the milestone! Giddy Up!
Well, copper is more mallable than nickel.
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