Pricecheck: Zoldark's Staff

Hi,

anyone know how much this staff is worth?

Zoldark's Staff (green)
Energy +15
Dark dmg: 11-22 (requires 9 Soul Reaping)
Halves skill recharge of spells (20%)
Halves casting time of spells (10%)
Health +30

Thanks in advance!

would put it on a hero, not sellable really.