Issued by Mexico in 1978, this airmail stamp commemorates the World Conference on Technical Cooperation Among Developing Countries, held under the auspices of the United Nations. The modern geometric design by Gad Almaliah symbolically interweaves national elements, representing collaboration, shared development, and international partnership among emerging nations. Featuring the UN emblem and bold abstract graphics, the stamp reflects the diplomatic and economic cooperation movement of the late 20th century. A distinctive thematic issue appealing to collectors of UN, diplomacy, and development-themed philately.