World Stamp Champion: James Peter Gough (USA), “UPU and its Impact on Global Postal Services”

Grand Prix International: Vittorio Morani (Italy), “Tuscany 1836 to UPU: Letter mail in, from and to Tuscany: routes, rates and charges”

Grand Prix National: Howard Hughes (UK), “The Maltese Cross”

Details on Grand Prix winners and candidates here.

Awards on Exhibits on frames here.

Awards on Philatelic Literature exhibits here.