Guys, I have a few spent LC's, 1 inparticular that I cannot get a date off of. It has a tremendous amount of green corosion on it and I can see a silhouette of the head but no date. It soaked in olive oil for week and has been in mineral oil for 1.5 weeks or so. A scrub with a toothbrush regularly has led me nowhere.....any ideas?
I believe this one to be a 1700's coin but just can't get a date.