Heres the stats:

Vampiric Celestial Daggers of Shelter
7-17 (Req 10 Dagger Mastery)
Damage +14% (While above 50% hp)
Life Stealing: 3
Life Regen: -1
Armor +7 (Vs physical)

Knowing my luck, its probably best to steal the vampiric mod. If so, how much does one of those go for?