Both Rare (gold)
Vampiric Longbow of Shelter
15-28 (req 10 markmenship)
Damage +17% (while hp below 50%)
Life stealing: 4
Life regen: -1
Armour +6 (vs. physical attacks)
[EDIT] I guess 17%<50% is a normal mod
next:
Fiery Shortbow of Enchanting
15-28 (11 markmenship required)
Damage +15% hp below 50%
Enchantments last 15% longer
Thanks for you time
