Pathfinder game in a home made setting.
A Silver Flask
The captins flask is just what you might think it is, and much more. Durring the Ark Wars, ship captins sometimes were rich enough to carry their ship with them on to land. They would do so by a captins flask. When the comandward is spoken the atuned ship(a process that costs 1000gp) would be instantly transfered into the flask. in a miniture virsion of corse. Some captins flasks carried secret compartments for potions, and all maner of other tricks. Spells required to create, Limited wish, enlarge, reduce, secure chest.