Rare 2-Dollar Bill How to Spot It 1928B $2 Red Seal Star Notes Look at the serial number. If it starts with a star and ends with a B, it's rare. 1890 Treasury Note 2-Dollar Bill Check the portrait.

$2 Treasury Note from 1890: These are worth $4,500 ... are the earliest version of the modern two-dollar notes and feature a red seal instead of a green one. Circulated bills can be worth between ...