Posted 02/01/2017 7:05 pm
to the family!Its hard to tell by pic, need a closer one to really determine. Most similar "errors" happen PMD. These (from mid 1982) are zinc core w/ a very thin coating of copper. Much damage comes when air and corrosives penetrate to the zinc causing "rot". This damage is usually a contact caused, coin or other object hitting coin. If you think it is a doubled mintmark, try checking out http://www.copperrcoins.com for 1989D to check for a match. Have fun!
zinc rot.
