three

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 club
(4, -16, D:1)
  a +0 short sword
(8, 8, D:1)
  a +0 robe
(14, -16, D:1)
  a +0 club
(15, -2, D:1)
  a +0 club
  a frilled lizard corpse (skeletalised by now)
  a goblin corpse (skeletalised by now)
(21, -8, D:1)
  a +0 whip
  a quokka corpse (skeletalised by now)
  a kobold corpse (skeletalised by now)
(25, 5, D:1)
  3 boomerangs
(26, -11, D:1)
  a +0 robe
(29, -3, D:1)
  a hobgoblin skeleton
(35, -6, D:1)
  a +0 dagger
(41, 10, D:1)
  6 stones
(41, 11, D:1)
  a bat skeleton
(45, -6, D:1)
  a rat corpse (skeletalised by now)
(46, -7, D:1)
  a frilled lizard corpse (skeletalised by now)

Level 2 of the Dungeon
[Shop] Arghumer's Assorted Antiques
  a talisman of death (1760 gold)
  a +0 whip (55 gold)
  a scarab talisman (550 gold)
  a wand of quicksilver (4) (369 gold)
  a scroll of fear (88 gold)
  a scroll of amnesia (88 gold)
  a scroll of identify (44 gold)
  the +1 hat of the Will of the Gods {rPois rC+} (598 gold)
    rPois:      It protects you from poison.
    rC+:        It protects you from cold.
(0, 0, D:2)
  a +0 robe
(11, -23, D:2)
  3 poisoned darts
(13, -24, D:2)
  a rat skeleton
(15, -11, D:2)
  a +0 club
  a +0 dagger
  a goblin skeleton
  an orc skeleton
(17, -16, D:2)
  a +0 scale mail
(24, -3, D:2)
  a ring of flight
(30, -19, D:2)
  4 poisoned darts
(32, 3, D:2)
  a +0 club
  a kobold skeleton
(33, -13, D:2)
  a +0 dagger
(35, -18, D:2)
  a hobgoblin corpse (skeletalised by now)
(38, 9, D:2)
  a +0 whip
  a kobold skeleton
(39, -15, D:2)
  a +0 sling
(44, -12, D:2)
  a +0 club

Level 3 of the Dungeon
(0, 0, D:3)
  a rat corpse
(0, 1, D:3)
  a rat corpse
(2, -18, D:3)
  a +0 dagger
  a stone
  a bat corpse
  a kobold corpse
(2, -9, D:3)
  a +0 robe
(3, -17, D:3)
  a +0 short sword
(6, -5, D:3)
  a +0 club
  a goblin corpse
(11, -10, D:3)
  a giant cockroach corpse
(11, -7, D:3)
  8 stones