It's a small white plastic ball used for playing the pre-War game of golf.
- Four can be found in The King's School of Impersonation; in a room on the second floor along with a 9 iron. Three near the back wall and one near the golf club (must be stolen).
- Three can be found in Coach's office in a box to the left behind a fence in the X-12 Research Center in the big empty in the add-on Old World Blues
If dropped, then picked up and dropped again they will get bigger, returning to their actual default size. They end up looking too big to be golf balls.