* Numismatics: Old banknotes can be interesting collectibles for numismatists (coin and currency collectors). Some rare or well-preserved notes may hold value for collectors.
* Historical artifacts: These notes offer a glimpse into past eras and cultures. They can reflect historical events, technological advancements in printing, and changing dedesigns and symbols.
* Family heirlooms: Old banknotes passed down through generations can carry personal significance and emotional connections.