PC on gold items

Could I get a price check on these items? Thanks in advance.

Runic Hammer of Hammer Mastery
19-35 DMG (req 12 Hammer Mastery)
+15% DMG
Hammer Master +1

Bone Staff of Enchanting
Energy +10
Cold DMG 11-22 (req 11 death magic)
Halves Recharge of Curse Spells
Enhchant Lasts 15% Longer

Healing Ank
Energy +12 (Req 12 Healing Prayers)
Armor +5 (while health above 50%)

Wooden Buckler
Armor 14 (Req 10 Tactics)
Health +29 (while in Stance)

1. 2k
2. merchant
3. merchant
4. merchant

Okay.. whats is the % chance for curse recharge on #1 and what it the penalty for the dmg +15% on #1.
#3 may not be merch.. 3k maybe?
#4 merch

Thanks -

Runic Hammer = +15% DMG (While health is below 50%)

Bone Staff = 16% chance to recharge