Zero

Level 1 of the Dungeon
(4, -12, D:1)
  a +0 mace
(27, -13, D:1)
  a +0 dagger
(34, -22, D:1)
  a +0 club
(47, 4, D:1)
  a +0 flail
(52, 21, D:1)
  15 stones
(53, 14, D:1)
  a +0 club

Level 2 of the Dungeon
(13, 7, D:2)
  a +0 dagger
(17, 0, D:2)
  19 stones
(18, 26, D:2)
  a +0 dagger
(19, 2, D:2)
  a +0 chain mail
(27, 19, D:2)
  a +0 club (still there?)
  a +0 club (still there?)
(29, 19, D:2)
  a +0 mace of holy wrath
  a +0 leather armour
(29, 20, D:2)
  2 potions of degeneration
  a +0 antimagic dagger
(30, 27, D:2)
  a +0 short sword
(38, 1, D:2)
  a +0 club
(40, 31, D:2)
  23 stones
(45, -5, D:2)
  a +0 quarterstaff
(49, 21, D:2)
  a +0 whip

Level 3 of the Dungeon
(0, 0, D:3)
  a +0 leather armour
  2 boomerangs
  a +0 whip
(5, 2, D:3)
  16 stones
(6, -21, D:3)
  a +0 short sword
  a +0 mace
  a +0 short sword
  a +0 leather armour
(7, -21, D:3)
  a +0 flail
(13, -7, D:3)
  a +0 robe
(22, -29, D:3)
  a potion of degeneration

Level 4 of the Dungeon
(0, 0, D:4)
  a +0 club
  a goblin corpse (skeletalised by now)
(8, -8, D:4)
  a +0 falchion (still there?)
  a +0 leather armour (still there?)
(8, -7, D:4)
  a +0 hand axe (still there?)
  a +0 club (still there?)
  an orc corpse (still there?)
  an orc corpse (still there?)
(10, -3, D:4)
  a +0 whip
(11, -2, D:4)
  a +0 chain mail
(11, 1, D:4)
  a goblin corpse
(13, 4, D:4)
  an adder skeleton
(16, -18, D:4)
  a ring of see invisible
(36, 14, D:4)
  11 gold pieces