Cursed or unlucky wishes for scrolls, potions, or spellbooks may give you the blank counterpart instead of what you wanted.

Artifact blank spellbook that guarantees success when writing in it and can be read infinitely without blanking. However, it can never be blanked or cancelled. Or possibly it generates as a random type of spellbook, and can only be blanked if not yet read.

Dipping a blank scroll or spellbook into a potion of gain ability turns it into some random scroll or spellbook. The beatitude of the resulting object uses the same formula as magic markers. Could also do this for wands of nothing, which become some random wand, without changing their charge count.