In my opinion you should sell on market:
Cobra Crown 
Rashid Price: 50000 gp
Antica market price: 250 k
Albino Plate 
Rashid Price: 1500 gp
Antica market price: 1 kk
Dwarven Armor 
Rashid Price: 30000 gp
Antica market price: 4 kk
Goo Shell 
Rashid Price: 4000 gp
Antica market price: 2kk
Lavos Armor 
Rashid Price: 16000 gp
Antica market price: 780 k
Divine Plate 
Rashid Price: 55000 gp
Antica market price: 64 k
Pharaoh Sword 
Rashid Price: 23000 gp
Antica market price: 11 kk
Dreaded Cleaver 
Rashid Price: 10000 gp
Antica market price: 15 k
Djinn Blade 
Rashid Price: 15000 gp
Antica market price: 800 k
Abyss Hammer 
Rashid Price: 20000 gp
Antica market price: 21 k
Rift Crossbow 
Rashid Price: 45000 gp
Antica market price: 50 k
Rift Bow 
Rashid Price: 45000 gp
Antica market price: 47 k
Chain Bolter 
Rashid Price: 40000 gp
Antica market price: 98 kk
Tempest Shield 
Rashid Price: 35000 gp
Antica market price: 99 kk
Oriental Shoes 
Rashid Price: 15000 gp
Antica market price: 16 k
Horn 
Rashid Price: 300 gp
Antica market price: 800 k
Voodoo Doll 
Rashid Price: 400 gp
Antica market price: 600 k