PC on Nearly Perfect Cleaver (FoW Farming weapon)

Sundering Cleaver of Undead Slaying
Slashing Damage 6-28 (Req. 9 Axe Mastery)**i think its 9**
Damage +15%(While Health is above 50%)
Armor Penetration 10% (9% Chance)
Damage +20%(vs. Undead)

What is this item worth??? i made it myself

i believe this axe could be worth alot.

however, i don't know whow much it could be work. I think it maters on buyer.