+20% vs. Undead Staff Wrapping of Deathbane

Title says it all. Perfect +20% vs. Undead Staff Wrapping of Deathbane. What's it worth?

ID'd it off a gold non-max Water Staff, kind of like my 10/10 Sundering off a gold non-max Sephis Axe. Both times I was like " ."

30-50k