Have a feeling that in the Old Days of Egypt, when Mothers put their children to bed, they admonished, "Sleep tight or The Mummy will getcha!" And those little kids BEHAVED.
Seriously, the fob has a colorful enamel coating. The name is baked onto the finish. Unless they had some special marking device at the gift shop, the names would have had to have been embossed (if such is the word) in China before delivery of the fobs. By Chinese Terra Cotta Mummies, the scariest kind!