e·phem·er·a /əˈfem(ə)rə/noun plural noun: ephemera; noun: ephemerum Things that exist or are used or enjoyed for only a short time.Items of collectible memorabilia, typically written or printed ones, that were originally expected to have only short-term usefulness or popularity. Thank you, thank you, thank you to Jerry Pasley. He shared these 100-year-old p...