#!item is used to view the info on an item. This includes the item name and ID, item level, Ingame Shop buy price if it is buyable, Ingame shop sell price if it is sellable, if it is tradeable, item type, skill level requirement, the amount you have in your #!inv, and description.
#!item <Item Name>
Cooldown: 10 seconds
For a list of all items, click here.