Nuff's certificate an item obtained by searching the shelves in Fairy Nuff's grotto during the quest Fairy Tale II - Cure a Queen.
It needs to be in the player's inventory when they want to access the Fairy Queen's hideout using the Fairy ring code sequence AIR, DLR, DJQ, AJS. If lost, it can be re-obtained by searching the wrecked shelves in Fairy Nuff's cottage. After the quest has been completed, Nuff's certificate no longer needs to be in the inventory to access the hideout, and can be destroyed to save space.
Strange, fairy symbols found on the back.