
This happens a lot because of the planchet composition and the thickness. There wear toward the rim. Also it is were a true doubled die the digits would have doubling exactly the same in the same direction.
Sorry these are Nickels, but the same concept is here.
https://www.coincommunity.com/forum...O_s_DATE.jpg
https://www.coincommunity.com/forum..._LIBERTY.jpg
https://www.coincommunity.com/forum..._DDO___8.jpg



















