What is the weight? If it is 3.11 grams, then the contact marks would be just damage. The weakness of the design would be a Struck Through Grease issue.
If the coin is less than the 3.11, then the coin may have been in circulation a number of years and has worn down. The back of the head is strange? So lets start off with the weight first.
If the coin is less than the 3.11, then the coin may have been in circulation a number of years and has worn down. The back of the head is strange? So lets start off with the weight first.






















