These were sold in folders of four cards each. The folders were coded 0700A and so on. I had to make up a code for the individual cards. You'll see... 0700A-1 0700A-2 0700A-3 0700A-4 0700B-1 0700B-2 0700B-3 0700B-4 0700C-1 0700C-2 0700C-3 0700C-4 0700D-1 0700D-2 0700D-3 0700D-4