1950's: A leather Water Polo ball

A leather Water Polo of the 50's. The last time the leather ball has been used at the Tokyo 1964 Olympics. By the Mexico 1968 Olympic Games the leather ball has been replaced by a ball made with an inflatable bladder and a rubber fabric cover.

Source: private collection

1964, Tokyo: The ball of the final round

The ball of the final round games at Tokyo 1964 Olympic Games. The ball is signed by the golden Hungarian players.
Source: http://vlv.hu/

1910: Water Polo Ball advertisement

Water Polo ball advertisement within Spalding’s books.
Source: How to Play Water Polo by L. deB. Handley, Spalding’s Athletic Library.

1952, Helsinki: Ball signed by the US players

Ball signed by the US players that took part in Helsinki 1952 Olympic Games: Harry Bisbey, Ace Burns, Bob Hughes, Ed Jaworski, Jim Norris, Bill Lake, Jack Spargo, Bob Kohler, Bill Kooistra, Bill Dorblaser, Pete Stange.
Source: Preserving Sports Heritage. Art and Artifacts from the Collection of the Amateur Athletic Foundation of Los Angeles - edited by Karen R. Goddy

1950: The Water Polo ball

Close-up in the leather ball used in the game of Penguins and Plaistow in 1950.
Source: magazine “ILLUSTRATED” , January 1950

1964: Water Polo ball

Water Polo ball used May 1964, during the qualification game between the National teams of the German Democratic Republic (GDR) and the Federal Republic of Germany (FRG) in view of Tokyo 1964 Olympic Games.
Source: www.sportmuseum-leipzig.de/