PC on Sundering Storm Bow of Fortitude

Sundering Storm Bow of Fortitude
Damage: 15-28 (req. 8 Marksmanship)
Damage +15% (while health is above 50%)
Health +30
Armor penetration +20%( chance: 20%)

I've been thinking of putting it on auction. Just need help on what price to start with.

Thanks.

if u are gonna auction it then start at maybe 200k