Nydus

Level 5 of the Dungeon
[Shop] Vodatuso's Antique Armour Boutique
  (Shop contents are unknown)
(0, 0, D:5)
  an adder corpse
(7, 9, D:5)
  a wand of polymorph (14)
(8, 8, D:5)
  a +1 hat of intelligence
  (unseen)
(9, -4, D:5)
  a scroll of identify