req7 +28hp -1ench shield of the wing

hello everyone, i was offered this shield today in kamadan ad1, and i was wondering what is it worth.

shield of the wing
req7 tact
-1 ench
+28hp

this -1 confuses me, kinda oldschool, therefore hard to pc...

thx for your oppinions

bump

rly need your thoughts on this one.....

50kish imo...............

of course I'm not sure how "rare" -1enchant is, but it can't be all that wanted at least imo

get another pc