Almost looks like old cement or glue, maybe mounted at some point. Did you try an acetone soak?
Edit: After reading westernsky's response, I agree with his assessment. The darkened section would suggest that the coin got hot, like soldering.
Edit: After reading westernsky's response, I agree with his assessment. The darkened section would suggest that the coin got hot, like soldering.
"Nummi rari mira sunt, si sumptus ferre potes." - Christophorus filius Scotiae
Edited by Bump111
01/03/2018 9:36 pm
01/03/2018 9:36 pm


























