|The following is based on Fallout 2 cut content and has not been confirmed by canon sources.|
A set of military dog tags. The name Dickinson and the word Enclave are barely readable.”
They are a set of metal-plated dog tags that contain essential personal and medical information about "Enclave Dickinson". These dog tags were also used by his father. He has apparently never taken off the dog tags.
The dog tags were to appear in Fallout 2, but were cut from the final game.