I was wondering if anyone knows how to differentiate between a '65-'67 SMS Quarter and a PL business strike?
It is my understanding that the SMS coins were polished planchets struck with business strike dies. NGC has not graded any 1965-1967 business strike Quarters in PL but they have graded 1964 and 1968 coins in PL. Could the 1968 coins be struck with left over SMS planchets and graded PL because there were no SMS coins in '68? If there are 1965-1967 PL business strike coins that exist, can