A blue tin full of bottlecaps. It is not an item that can be placed in the inventory, but rather like a bobby pin box in that it adds randomly 14-23 bottlecaps to your inventory. Companions, however, can pick up the caps stash as an item, which the player character can take out of their inventory.
- All throughout the Commonwealth, particularly in raider locations.
- 6 in Andrew station
- 5 in Kendall Hospital
- 4 in Medford Memorial Hospital
- 4 in Pickman Gallery
- 4 in Vault 114
- 3 can be found at the water filtration caps stash located due east of Sanctuary Hills.
- 3 can be found at the Museum of Freedom, two in the offices on the third floor and one on the rooftop.