PC on a few items

Hi, I'm new here and I would appreciate if any of you could tell me how much these are worth. If they suck just tell me and I'll try to not post crappy weapons, thx.

Vampiric Short Bow
Piercing Dmg: 14-26 (req. 7 Marksmanship)
Damage +15% (while health is below 50%)
Life Stealing: 4
Health Regeneration -1

Fiery Spiked Axe of Defense
Fire Dmg: 6-28 (req. 13 Axe Mastery)
Armor +5

Sundering Short Bow of Enchanting
Piercing Dmg: 14-25 (req. 10 Marksmanship)
Damage +11% (while enchanted)
Armor Penetration +10% (Chance: 7%)
Enchantments last 13% longer

merchant
salvage +5
merchant