We have officially recorded (150) different varieities. In my new upcoming book Forgotten Coins of the North American Colonies - Revisited I discuss varieties #54-95 past the 1998 COAC Paper which listed (55) varieites (55 + 95) = 150.
If you have any post for a free attribution or if you have an off-metal post here or contact me privately.
John Lorenzo
Numismatist
United States