November 20, 1925: Birthdate of Robert F. Kennedy. In 1968, Kennedy was assassinated by Sirhan Sirhan – a Palestinian of Jordanian citizenship. Supposedly he was upset because Kennedy was a supporter of the state of Israel.
In 1979, the United States issued this stamp in memory of RFK. Shown here is a plate block example, which is the block of 4 stamps in one of the corners of the sheet of stamps, with the selvage and the printing plate number attached.