Price Check on Storm Bow and a few others

Ok, I looked through every thread I could find on storm bows and I still can't decide how much this is worth. Thanks for your help!!!

1.Gold Ebon Storm Bow of Shelter
Earth Dmg 15-28 (req. 12 mark)
Dmg +14^50%
Armor +6 vs. physical


also I have...
2. Gold Fiery Eternal Bow of Fortitude
Fire Dmg 14-28 (req. 8 Mark)
+14% dmg vs. hexed
+25health

3. Vampiric Short Sword
15-21dmg (req. 10swords)
+14%^50
2/-1

4. Purple Wooden Buckler
16armor (req. 8 tactics)
-1 dmg enchanted.

Thanks again ahead of time

1. 40k
rest merchant

Thanks for the speedy reply!