PC on Twin Hammer

I'd like a price check on the following:

Sundering Twin Hammer of Shelter

Blunt Dmg: 19-35 (r10)
Damage +15%
Energy -5
Armor Penetration 20% (20%)
Armor +7 vs. Physical Damage

Thanks in advance. As usual, if you're interested, just give a yell.

IGN: The Enemy Smacks

3-5k, unpopular inherent damage mod.