50th anniversary of the first television broadcast in Portugal Television in Portugal was introduced on 4 September 1956 (test broadcasts) by Radiotelevisão Portuguesa (now named Radio e Televisão de Portugal, which held the nationwide television monopoly until late 1992. Regular broadcasting was introduced on March 7, 1957. Colour transmissions were introduced on March 10, 1980.
Date of issue: 4 September 2006 Quantities: 300,000 / 250,000