pc on gold shadow bow & longbow & wooden buckler

pc on these ---thx

Sundering Shadow Bow
15-28(req.13marks.)
damage +19%(while health below 50%)
armor penetration 20%(20% chance)

Vampiric Longbow of Marksmanship
15-28(req.9 marks)
dmg +15%(while enchanted)
Life steal :4
life degen:1
Marks. +1(19%chance while using skill)

Wooden Buckler
health+42(while enchanted)
armor +9(vs. lightning attacks)

1. Salvage
2. Skin? Feathered or normal?
3. Req?