Note: Technically, the switch from mostly copper to mostly zinc occurred in mid-1982, so that year has both types of coins. If you cannot tell the difference, just go with 1981 and earlier to get the "better" coins. The link didnt workOriginally posted by matu8063
if you go to http://www.wdwinfo.com/content/100yr_quarter.htm

Beverly Lynn:Originally posted by Beverly Lynn
another good cleaner for the pennies is "never-dull" it worked great for me and my pennies still shine! I have 3 books of the pressed pennies now!
