an ivory scroll

This tightly rolled scroll is woven of rough fibers covering the spectrum
between black and white. Its outer side is densely inscribed with spidery
runes in ivory ink. A large glowing rune \"N\" is written on the top of the
scroll. A golden seal imprinted with a white hand secures it along the middle.

It is an ivory scroll.
It radiates a magical aura.
It weighs half a pound.

You identify an ivory scroll.
It is a magic, enchanted, and unsellable scroll.
It has level twenty spells of call lightning, detect evil, and bless.
It weighs nine ounces, and it is worth about ten lauren and ten celeb.
Its keywords are scroll, ivory, and ivoryscroll.