100 Escudos

The Banco Nacional Ultramarino served as the central bank and currency-issuing authority for Portuguese overseas territories, and by 1971 this note was circulating in Angola — one of several colonies where the BNU maintained parallel monetary administration distinct from the metropolitan Portuguese system. The unusually large number of signatures reflects the board authorization practice common to BNU issues, where multiple directors and fiscal delegates were required to validate each series, a bureaucratic structure inherited from nineteenth-century colonial banking statutes.

Bradbury Wilkinson's New Malden facility handled a significant share of British colonial and semi-colonial currency work through this period. The watermark remains the only security feature on this series — modest protection for a note of this denomination by 1971 standards.