English: Postage stamp celebrating the reconciliation of the disparate central government, federal, ethnic and regionalist factions in post-independence Congo-Léopoldville.
Issued in 1963 after the suppression of the South Kasai and Katanga secessions.
It is an anonymous, pseudonymous or posthumous work and 50 years have passed since the date of its publication
It is a photographic work, and 25 years have passed since the date of its publication
It is another kind of work, and 50 years have passed since the year of death of the author (or last-surviving author)
It is an "official act of authority" and ineligible for copyright protection; however "literary, artistic, or scientific publications produced by the authorities" are copyrighted by the government