Pre-War money (Fallout 3)

As it's name implies, Pre-war money is presumed to be the currency of the former United States. Although faded, the notes appear to be American dollars. Pre-war money is no longer the official currency of the United States, and the actual currency varies from region to region. The west coast, has developed a new currency, after having used bottle caps for a number of years. The DC region however still uses these caps, having no means to produce their own currency.

In Fallout 3, pre-war money appears as a stack of indistinguishable bills. The item is valued at 10 caps per stack. Pre-war money is somewhat plentiful. It can be found nearly anywhere money might be found in real life such as cash registers, safes, and desks, bizarrely, it can also be found in garbage cans(?!). The super duper mart is one location that has an abundance of Pre-war money located in each register at the checkout.

Uses
Despite being a misc. item, pre-war money has proven very useful to wastelanders. Its weightlessness makes it ideal ammunition for the Rock-It launcher (although it is somewhat expensive to buy from merchants).

Also, because of its zero-weight and abundance throughout the Wasteland, it is also a good item to collect and sell.