PC Vampiric Longbow of Giantslaying (help a girl out here! lol)

My stupid screen capture button doesn't work on this keyboard so I am going to post the stats. Someone please let me know if you know what it's worth, I'm lousy at guessing these things.

Thanks!
Tiffany

Max Dmg (15-28) Req. 8 marksmanship
Health Stealing :5
Health Regeneration: -1
Dmg: +19% (vs. giants)

if no damage mod(15^50, etc.) merchant

oor salvage