This commemorative stamp from Cameroon marks the 7th Anniversary of the Cameroon National Union (UNC), featuring the modernist party headquarters building in Garoua. The design shows crisp architectural lines, an elevated entrance staircase, and a bright sun symbolizing national optimism. Issued during the period of the United Republic of Cameroon, it reflects the political identity and institution-building of the era. A notable feature is the black overprint altering the anniversary numeral, making it a desirable variation for thematic collectors of political history and African post-independence issues.