PC on *Rare* Sundering Ivory Bow of Enchanting

I need a PC on this item please.

*Rare*
Sundering Ivory Bow of Enchanting 15-28 req. 12
Damage +14% (while enchanted)
Armor Penetration +10% (chance 8%)
Enchantments last 19% longer

Thanks

Anyone have any ideas?

ANYONE?