Small dusty box of some sort

A small dusty box of some sort is a miscellaneous item in Fallout and Fallout 2.

Gameplay
The box can be sold.

Fallout

 * Inside a bookcase in Junktown, in the building next to the Crash House.

Fallout 2

 * One in the fridge at the Ghost Farm.
 * In the fridge under the Malamute Saloon.
 * On a bookshelf in the backroom of New Reno Arms.
 * In the lower rightmost room on the second level of Vault 8.

Behind the scenes
The design of the box is a real world Swanson beef pot roast TV dinner.