(1890-1968). B/W photo from the 1920 Olympic Games with Duke Kakanamoku (USA) with original signature in pencil by Duke Paoa Hulikohola Kahanamoku. Three-time gold medalist at the 1912 and 1920 Olympic Games (100m freestyle and 4x200m relay). Also silver in 1912 (4x200m) and 1924 (100m freestyle). 14x9cm. --The signature is from the 1920s or 1930s and could have been given during the Olympics in Antwerp. The postcard is dated "August 27th 1920" on the back. ---Autograph of absolute rarity!!! A Hawaiian athlete who became a worldwide celebrity in his time and made surfing known worldwide. Kahanamoku is considered a pioneer of modern surfing and is a legend among the sport's insiders. Condition: A-