Amulet of natural armor +4
(Dungeon Master's Guide v.3.5, page 246)
Price (Item Level): 32,000 gp (16th)
Body Slot: Throat
Caster Level: 5th
Aura: Faint; (DC 17) transmutation
Activation: —
Weight: —
This amulet, usually crafted from bone or beast scales, toughens the wearer’s body and flesh, giving him an enhancement bonus to his natural armor bonus of +4.
Prerequisites: Craft Wondrous Item, barkskin, creator’s caster level must be at least 12th level.
Cost to Create: 16,000 gp, 1280 XP, 32 days.