Undo

Level 1 of the Dungeon
[Shop] Zoten's Jewellery Shoppe
  an amulet of the acrobat (unknown) (360 gold)
  a +4 ring of slaying (unknown) (432 gold)
  a ring of protection from cold (unknown) (300 gold)
  an amulet of chemistry (unknown) (360 gold)
  a +6 ring of dexterity (unknown) (432 gold)
  an inkwell talisman (90 gold)
  a +4 ring of slaying (unknown) (432 gold)
  a ring of protection from fire (unknown) (300 gold)
  a +6 ring of intelligence (unknown) (432 gold)
(0, 0, D:1)
  a rat corpse (skeletalised by now)
(11, -16, D:1)
  a +0 short sword
  4 stones
(12, -3, D:1)
  a bat skeleton
(12, 1, D:1)
  a hobgoblin skeleton
(12, 11, D:1)
  a +0 club
(14, -7, D:1)
  a +0 dagger
  a goblin skeleton
(14, 11, D:1)
  a +0 club
(15, 9, D:1)
  9 stones
(16, 8, D:1)
  a ball python skeleton
(17, 2, D:1)
  a +0 club
(28, -7, D:1)
  a rat skeleton
(35, -10, D:1)
  a bat corpse (skeletalised by now)
(37, 2, D:1)
  a rat skeleton
(37, 3, D:1)
  a hobgoblin skeleton
(38, 7, D:1)
  a +0 leather armour
(41, -22, D:1)
  a rat corpse (skeletalised by now)
(41, -21, D:1)
  a +0 club
(45, -14, D:1)
  a rat corpse (skeletalised by now)
(46, -16, D:1)
  a +0 long sword
(47, -4, D:1)
  a +0 ring mail
(53, -13, D:1)
  a +0 ring mail
(56, -18, D:1)
  a +0 club

Level 2 of the Dungeon
(0, 0, D:2)
  a frilled lizard corpse (skeletalised by now)
(14, -33, D:2)
  a ball python corpse (skeletalised by now)
(27, -11, D:2)
  a +0 dagger
(28, -15, D:2)
  a +0 whip
  a kobold skeleton
(38, -29, D:2)
  a +0 short sword of speed
  2 stones
(41, -48, D:2)
  a +0 spear
(43, -50, D:2)
  a ball python corpse (skeletalised by now)
(45, -14, D:2)
  a hobgoblin corpse (skeletalised by now)
(57, -31, D:2)
  a bat skeleton
(60, -51, D:2)
  a quokka skeleton

Level 3 of the Dungeon
(0, 0, D:3)
  a granite talisman

Level 5 of the Dungeon