Luxembourg issued two stamps on Europa theme on 27 Sep 1965. The design features Tree Sprig. The designer was Hoerder Karlsson from Iceland. The three leaves represented the Posts, Telegraphs and Telephones.19 Countries issued 36 Stamps on this theme.
The King Baudouin Antarctic Base was a Belgian scientific Base built in 1958 and abandoned in 1968,in Princess Ragnhild Land,Queen Maud Land on the sea Coast of Riiser Larsen.
The expedition was launched to coincide with International Geophysical Year 1957. It was inspired by Belgian explorer Gaston de Gerlache, son of Commander Adrien de Gerlache de Gomery whose expedition on Ship Belgica which left Antwerp on 12 Nov 1957 and landed in Land of Queen Maud on 26 Dec 1957.This was the first Belgian scientific base in Antarctic. Belgian again invested in scientific research after abandoning King Baudouin base by establishing the Princess Elisabeth station built during International Polar Year 2007-08 and inaugurated on 15 Feb 2009.
A Special cover with the Europa stamps(25 SEP 1965) of Belgium and cancellation dated 15 Feb 1966 of King Baudouin Antarctica Base is listed.