Descartes

Level 4 of the Dungeon
(0, 0, D:4)
  a +0 scale mail

Level 5 of the Dungeon
(0, 0, D:5)
  20 gold pieces

a sewer
(0, 0, Sewer)
  a scroll of teleportation
(2, 0, Sewer)
  a scroll of magic mapping