This striking 18-cent United Nations stamp features Children of the World, a vibrant artwork by Brazilian painter Candido Portinari, symbolizing global unity and diversity. Issued in 1979 by the United Nations Postal Administration, it reflects the UN’s commitment to peace and the welfare of children worldwide. The mosaic-like depiction of children of various backgrounds embodies equality and hope for future generations, a recurring theme in Portinari’s humanitarian art. A colorful and meaningful issue admired by collectors for both its artistry and message.