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| 正面描述 | 登录 以查看详情 |
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| 正面铭文 | 登录 以查看详情 |
| 背面描述 | Central oval vignette with an allegorical seated female figure accompanied by a child, with a steamship visible in the background, rendered in intaglio in blue-grey tones. Denomination numerals '20' appear in large format at both left and right, flanked by ornate guilloche scrollwork. The printer's imprint appears in small lettering along the lower central margin. |
| 背面铭文 | 登录 以查看详情 |
| 签名 | António Augusto Correia de Aguiar & António dos Santos Viegas João Baptista de Araújo de Sá & António dos Santos Viegas Artur Meneses Correia de Sá & António dos Santos Viegas |
| 防伪类型 | 登录 以查看详情 |
| 防伪描述 | 登录 以查看详情 |
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Banco Nacional Ultramarino served as the note-issuing authority for Portuguese Guinea, and this series was produced by Bradbury Wilkinson during the Second World War — a period when Atlantic shipping risks made the logistics of delivering printed currency from England genuinely precarious. Portugal maintained neutrality throughout the conflict, which kept colonial financial channels open but complicated.
Three distinct signature combinations span the 1941–1945 date range, reflecting administrative turnover at the bank rather than separate emissions. Bradbury Wilkinson's intaglio work for colonial Portuguese issues of this period is consistently fine, though the Guinea series is considerably scarcer than comparable BNU notes for Mozambique or Angola.