The APEX 73 International Airmail Exhibition was held at Owens Park, Manchester from 4âÂÂ7 July 1973, promoted by the Aero Philatelic Club of London under the patronage of the International Federation of Aerophilatelic Societies, (FISA).
The principal awards went to the following exhibits:
The Grand Prix International went to L. van de Kar for âÂÂSouth Africa, 1911-32â and The Grand Prix d'Honneur went to "St. John" for âÂÂNewfoundland AirmailsâÂÂ.
Gold Awards and Special Prizes went to: A. Amaral for âÂÂSan Marino ZeppelinsâÂÂ; N. Socorro Guerra for âÂÂUniversal AirmailâÂÂ; G. Mochi for âÂÂ"Masarati" Airpost RaritiesâÂÂ.
Other Gold Awards went to: J. H. Levett for âÂÂFranco-Prussian War, 1870-71âÂÂ; M. S. Burberry for âÂÂGreat Barrier IslandâÂÂ; G. Kraeber for âÂÂRhine and Main PioneersâÂÂ; T. C. Marvin for âÂÂG.B. Airmailsâ (Also won the Golden Jubilee Trophy); Lt. Col. S. E. Hands for âÂÂBoliviaâÂÂ; G. R. Anstee for âÂÂEngland-AustraliaâÂÂ.