 In 2000, a one-off stamp of Tintin moving a puppet of Hergé was released.In February 2004, the Belgian post office released a set of five stamps to commemorate the 75th anniversary of Tintin, the 50th anniversary of the book "Explorers on the Moon" and the 35th anniversary of Neil Armstrong's moon landing.In 2007, to celebrate the centenary of Hergé, the Belgian post office released a series of 25 stamps, 24 of which depict one of the album covers each in a different language, and one showing a picture of Hergé.