If you don't care about how much money you're going to make, sell both together. The value of the RAM card will go down considerably when packaged with a heavy/bulky item.
If you want the most amount of money for your wares, sell the SupraRAM separate, take the computer apart and sell ALL of these items separately:
Keyboard
501 card
Disk Drive
Agnus Chip
Kickstart Chip
CIA's
Gary
Denise
Bottom of the case
Top of the case
Power supply
Mouse
:laughing: