PC q10 Ornate Buckler

Hi can someone please advise on the value of this?

http://www.guildwiki.org/File:Ornate_Buckler.jpg

Its q10 Max Tactics, uninscribable.

Armour +10 vs Earth Damage
-5 / 20% chance

Thanks

can be useful for terra eles, but -5/20% is a bad mod....i'd say 20-30k assuming someone is willing to buy