Answer:
curiosities
Step-by-step explanation:
Curiosities refer to things that sparks people's curiosity to learn about something. These are often out-of-the-ordinary or unusual things that might feel weird for some.
Washington's hair being embedded in the baseball card is something strange, yet interesting for people. It makes people wonder why Topps included his hair inside the card and why there's a man who loves collecting hair of important people from the past.