Guatemala Guatemala. 1974, June 13. 1974 Airmail - The 100th Anniversary of Universal Postal Union - Issues of 1972 Overprinted "UPU HOMENAJE CENTENARIO 1874 1974" and U.P.U. Emblem One Hundred Years of the Universal Postal Union 1874-1974 UNIVERSAL POSTAL UNION CENTENARY ANNIVERSARY SIGNIFICANT DATE OF RUIN ANTIGUA INTERNATIONAL YEAR OF AMERICAN TOURISM CONTINENT NORTH AND SOUTH AMERICA MONUMENTS OF CULTURE ARCHITECTURE COLONIAL SPANISHUPU HOMENAJE CENTENARIO 1874 1974" BLACK COLOR on issue stamps 14 December 1972 Mi.930-935 CLASSICS STANDARD PRIMARY PRINT FORM STAGE SIX-Block The issue of standard postal perforated perforated stamps in a coupling of six pieces with the BLACK COLOR SUPPLY on the issue stamps on December 14, 1972, dedicated to the theme of architectural monuments and tourism on the continent, dedicated to the International Year of American Tourism, that is, on the American continent. The overprint theme is the 100th anniversary of the World Postal Union. On the colorful plots of 6 standard stamps of a series of large size are typical traditional colonial Spanish buildings and structures - houses, arches, fountains and other ruins of Antigua - monuments of architecture and architecture of America. The marks in the coupling are clean, not cancelled, with an intact adhesive layer, without stickers or traces of them on the adhesive side - the symbol MNH (Mint Never Hinged) or **. Condition - EXCELLENT.