Visual ephemera is everyday materials of a transitory nature, rarely saved, which have a significant visual component. Postcards, movie posters, music concert posters, calendars, and illustrated brochures are examples of visual ephemera. Preservation issues related to visual ephemera include paper hydrolysis, clay coatings, chemically aggressive inks, photographic disintegration, and damage by mold, photo-oxidation, air pollutants, and improper handling. Conservation issues related to visual ephemera include paper repair, cleaning and stain removal, deacidification, and funding for conservation work.