SCG10426 - Mexico 1974 – Palacio de Cortés “Exposición Filatélica Nacional” Airmail 10¢A striking commemorative airmail stamp from Mexico, issued in 1974 for the Exposicin Filatlica Nacional (EXMEX 73). It features a detailed illustration of the historic Palacio de Corts in Cuernavacaone of the oldest colonial era structures in the Americas. Designed by G. Gutirrez, the stamp showcases a bold geometric border and crisp typography typical of 1970s Mexican philatelic design. A desirable piece for collectors of exhibition themed,