ONE HANDED WEAPONS
DAGGER: 2 Unique, 1 Soulbound
HATCHET: 3 Unique, 1 Companion(Xoti)
RAPIER: 2 Unique
SABER: 8 Unique
STILETTO: 2 Unique
CLUB: 1 Unique
FLAIL: 5 Unique
MACE: 1 Unique, 1 Soulbound
WARHAMMER: 2 Unique
SPEAR: 3 Unique
SWORD: 9 Unique, 1 Soulbound
BATTLE AXE: 2 Unique
TWO HANDED WEAPONS
ESTOC: 3 Unique
PIKE: 2 Unique
GREAT SWORD: 6 Unique
POLLAXE: 1 Unique, 1 Soulbound
QUARTERSTAFF: 3 Unique
MORNING STAR: 3 Unique
RANGED WEAPONS
WAR BOW: 3 Unique
HUNTING BOW: 1 Unique
CROSSBOW: 1 Unique
ARBALEST: 1 Unique
ARQUEBUS: 3 Unique, 1 Soulbound
BLUNDERBUSS: 2 Unique, 2 Companion(Serafen)
PISTOL: 3 Unique
ROD: 3 Unique
SCEPTER: 2 Unique, 1 Companion(Aloth)
WAND: 1 Unique
ARMOR
ROBE: 3 Unique
PADDED ARMOR: 2 Unique, 1 Companion(Maia)
HIDE ARMOR: 2 Unique
LEATHER ARMOR: 3 Unique, 1 Companion(Aloth)
SCALE ARMOR: 2 Unique, 1 Companion(Eder)
BREASTPLATE: 3 Unique, 3 Companion (all Pallegina, and it appears you can only get one of them)
MAIL ARMOR: 3 Unique, 1 Companion(Serafen)
BRIGANDINE: 2 Unique
PLATE ARMOR: 3 Unique
SHIELDS
SMALL SHIELD: 3 Unique, 1 Companion(Xoti)
MEDIUM SHIELD: 3 Unique
LARGE SHIELD: 4 Unique
GEAR
HELM: 20 Unique
NECK: 18 Unique
CLOAK: 14 Unique
GLOVE: 3 Unique
BELT: 8 Unique
RING: 5 Unique
BOOT: 4 Unique
EDIT: Forgot the Gloves! Updated!
EDIT 2: Changed the unique list to account for Companion specific gear.