oh ok yeah it could be burn residue, ive had similar where a silver coins been against a rusty nail and its stained the coin. and yes i agree its nice to keep them as found to help remember the story of where it came from :) i kind of copied your title 'metal detecting adventures' for my recent post i hope you dont mind i just thought it was good and eye catching.
I'm pretty sure it was burn residue, but I didn't try to clean it off. I kind of like that it has character.
oh ok yeah it could be burn residue, ive had similar where a silver coins been against a rusty nail and its stained the coin. and yes i agree its nice to keep them as found to help remember the story of where it came from :) i kind of copied your title 'metal detecting adventures' for my recent post i hope you dont mind i just thought it was good and eye catching.