I have an XF 1902-O dime with clashed die marks on the obverse. I'm sorry I can't post pics....different unimportant story. Is the value of the coin increased/decreased with clashed die marks? Or, is it just an interesting piece?
Depends on the person IMHO. I'd probably pay a small premium, and others would pay less, really depends on the coin, and the person I guess. Phoenix