as a collectible item and collecting them is an internationally spread hobby. A ticket's value for collectors is mainly based on the event connected to it. Other important criteria for collectors might be rarity, theme, or even a country of issue. Collectors typically use online catalogs as the information source for tickets. In addition to acquiring tickets by themselves, collectors often trade between each other or purchase used tickets from online marketplaces. Gallery See also Public transport ticket systems Ticket machine Ticket resale, or "scalping" Season ticket Transfer ticket Rover, a UK bus/train ticket References Legal documents Tickets Paper products