Banco Nacional Ultramarino, Macau, a proposal for new 500 patacas

Banco Nacional Ultramarino, Macau, a proposal for new 500 patacas by the Imprensa Nacional-Casa da Moeda, 1990, includes a previously unseen 500 patacas design printed with UV features, with descriptions of various features of the note design including UV security details, theme of the note and the background. The proposal was given to government officials for approval of the new design which was eventually not adopted. obverse and reverse designs mounted on card. The official proposal in original folder as is. Extremely rare and highly important. 大西洋銀行於1990年委託葡萄牙國家鑄幣廠設計的未經採納設計伍百圓。該設計方案採用了從未公開的螢光防偽技術，並附有紙幣設計細節，包括螢光防偽特徵、主題和背景。方案曾提交政府官員審批，但最終未被採納。 紙幣正反面圖案裝裱於卡片上。設計保存在原廠資料夾中。極為罕見，意義非凡。

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