The Korea Stamp Museum houses over 6,000 stamps, envelopes, and postcards. In this collection, the museum contains relics from the ancient times and artifacts from the postal system established at the end of the Joseon dynasty, as well as relics since the establishment of the North Korean Postal Service including the first stamps created by the service. The museum also houses an album of stamps collected by Kim Jong-il. The stamps displayed highlight events in the country's history, flora and fauna, and world events including the launch of "Sputnik", the birth of Prince William, and the 2018 North Korea–United States Singapore Summit.