Any items you don't want, including cards, can be sold here for money. Those items will become part of the pawn Shop's inventory, and can be bought by any member at any time for double the listed selling price.
Selling Price Index:
Common Card: $5 per card
Uncommon Card: $10 per card
Rare Card: $15 per card
Super Rare Card: Can't be sold
Promo Card: $10 per card
Armory Weapon: 1/3 original price (all armory rules for purchasing apply to equipment picked up secondhand as well, including a shared waiting period)
Other Items: Ask Staff
Energy Shield x3 (2,310)
Selling Ryner's Glass Revolver and three Energy Shields from Zander to keep him legal.
I think that woul be 1155 each, but correct me if I am wrong.
Glass Revolver -1155
X3 Energy Shield - 3465 (I'm not going to say i'm happy about this, but I'm content to follow the rules)