What $2 bill is worth $4,500?

Excuse me, but could you elaborate on the statement "What $2 bill is worth $4,500?" I'm intrigued by this assertion and would like to understand the context in which it's being made. Are you referring to a specific type of $2 bill, such as a rare or collector's item? Or is there some other factor that contributes to its increased value? I'm curious to learn more about this unique $2 bill and how it came to be worth such a significant amount.