Photographs of international visits and holidays Seventeen black and white photographs of international visits and holidays. The file contains photographs of miners on holiday in Riccione [Emilia-Romagna, Italy] in 1963; two photographs taken at an international congress of miners' unions (Kongress des Internationalen Bergarbeiterverbandes) in June 1963, attended by Bert Wynn, President of the National Union of Mineworkers' (NUM) Derbyshire Area; and photographs of visits made by Peter Heathfield to Vietnam in 1967 and Poland in November 1978. 1963-1978