Selling (NOT all of them for a single sunken):
Arcsphere
Fair Power Amulet
Other Fair Amulets
Vindicator
Pulsar
Axe Slash
Power Scroll
King Calvus Set
General Argos Set (minus the weapons)
Lady Carina Set
Lord Elius Set
Cernyx Set
Galleons (may take a while)
Note: Any of these items will most likely be enchanted, but can be made clean on request.
Buying:
Sunken Chestplate
Sunken Helmet
Sunken Sword