PC on Gold Storm Bow Max +15(while enchanted) Sundering 10/10, Health +30, req 10

The title more or less says it all, but here:

Sundering Storm Bow of Fortitude
Piercing Dmg: 15-28 (Req. 10 Marksmanship)
Damage +15% (while enchanted)
Armor penetration +10% (Chance: 10%)
Health +30

And the picture:


I'd assume it's worth a decent amount, but how much should I expect for it?

100k+20 ecto minimum