1950's: Water Polo match at the port of Kavala

Water Polo match during the North Greek Championship at the port of Kavalla, Greece in 1950's.
Kavala is a city in northern Greece, the principal seaport of eastern Macedonia and the capital of Kavala prefecture. It is prettily situated on the bay of Kavala, across from the island of Thasos.
Source: G.S. Hiraklis, Thessaloniki 1908-2003; archive of Mr. Lambrinidis