J59//79 varieties, the complete set of the five stamps that can be found imperforate and they are in blocks of four, CSS PD89s, PD90a, PD91a, PD93a and PD95a the imperforate varietiety is only found on these five values), PD93 has a gum streak, CSS catalog value $600

J59//79 varieties, the complete set of the five stamps that can be found imperforate and they are in blocks of four, CSS PD89s, PD90a, PD91a, PD93a and PD95a the imperforate varietiety is only found on these five values), PD93 has a gum streak, CSS catalog value $600