Just when you think you’ve seen it all …
Hobbyist woodcarvers have discovered that the materials in the core of various brands of golf balls make excellent carving materials. They strip the covers off of half the ball, and the work the rubber cores with woodcarving tools. As you can see in the photo, some of them can be quite cute.
There are more photos of carved golf balls here.
The Viking Woodcarvers Group’s Newsletter has some instructions on golf ball carving.
Instructions for converting a PVC pipe cutter to a golf ball cover remover.
Amazon has a book on the subject: The Carving Range – A Guide To Carving Golf Balls
If you just want to buy some carved golf balls, you can find them on EBay: