Ephemera (noun)

1. Items that are transitory or have a short lifespan, such as tickets, posters, or other printed matter.
2. Things that are considered to have little lasting value or significance.

Origin:

From the greek word 'ephémeros', meaning 'lasting only a day'.

Examples:

1. The collector had a vast collection of ephemera from the 19th century, including posters, invitations, and flyers.
2. The ephemera of the concert included backstage passes, setlists, and autographed posters.
3. The scrapbook was filled with ephemera from the couple's travels, including postcards, maps, and ticket stubs.
4. The historian studied the ephemera of the time period to gain insight into the everyday life of the people.
5. The ephemera of the political campaign included buttons, signs, and leaflets that were distributed during rallies.