This one should be flagged magic.

<668hp 520m 697mv 4020tnl (75.96%) 7 AM civilized give bladder aldu
You give a pig's bladder to Alduk.
You give 800 copper coins to Alduk.
Alduk tells you 'A pig's bladder can be referred to as 'pigs pig's bladder'.'
Alduk tells you 'It is worth 1500 copper, and is of the 20th level of power.'
Alduk tells you 'It is made of leather and weighs 1 pounds 1 ounces.'
Alduk tells you 'It seems to be dark and cloaked in shadows.'
Alduk tells you 'It has a chilling aura of evil.'
Alduk tells you 'Within it are contained the 'enlarge', 'exhaust' and 'hobble' spells, of the 20th level.'
Alduk gives you a pig's bladder.

<668hp 520m 697mv 4020tnl (75.96%) 7 AM civilized exam bladder
This darkly stained waterskin was made from a pig's bladder, affixed with a
leather strap and sealed with a cork stopper. A foul-smelling herbal and
blood concoction is within.

A pig's bladder is a potion, made of leather, and weighs 1 pounds 1 ounces.

And so marked as of NCR.