Zero

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 leather armour

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 short sword
(7, 2, D:2)
  a bat corpse (skeletalised by now)
(16, -19, D:2)
  a +0 club (still there?)
  a goblin corpse (still there?)
(17, -19, D:2)
  a +0 dagger (still there?)
  a goblin corpse (still there?)
(21, -14, D:2)
  a quokka corpse
(22, -15, D:2)
  a +0 dagger
(22, -13, D:2)
  a hobgoblin corpse
(28, -10, D:2)
  a +0 leather armour
(29, -18, D:2)
  a +0 flail (still there?)
  18 stones (still there?)
  a +0 chain mail (still there?)
  an orc corpse (still there?)
(30, -18, D:2)
  a +0 hand axe
  an orc corpse
(30, -15, D:2)
  a +0 hand axe
(38, -13, D:2)
  a +0 club
  a kobold corpse

Level 3 of the Dungeon
(0, 0, D:3)
  a +0 short sword
  an orc skeleton
(0, 2, D:3)
  an adder skeleton
(1, -21, D:3)
  16 stones
(3, 4, D:3)
  6 gold pieces (still there?)
  2 boomerangs (still there?)
  a +0 falchion (still there?)
  a +0 leather armour (still there?)
  a +1 dagger of freezing (still there?)
  an orc skeleton (still there?)
(5, 10, D:3)
  a +0 dagger
(7, -23, D:3)
  a +0 falchion
(7, -20, D:3)
  an adder corpse
(7, -4, D:3)
  11 gold pieces
(8, -20, D:3)
  a hobgoblin corpse
(8, -19, D:3)
  a +0 dagger (still there?)
  a +0 robe (still there?)
  a potion of attraction (still there?)
  the human corpse of Jessica (still there?)
(8, -5, D:3)
  15 gold pieces
(9, -22, D:3)
  a +0 dagger (still there?)
  a bat corpse (still there?)
(15, -28, D:3)
  12 gold pieces