Macau, Banco Nacional Ultramarino, 10patacas, 'specimen', 1977, black serial numbers, blue, turquoise and multicoloured, Carneiro at bottom right, watermark at left, coat of arms at bottom centre, value at four corners, red 'Specimen' overprinted, reverse blue and pink, maiden watching ships and ship seal of the bank of left,(Pick 55s) PMG 66 EPQ Gem Uncirculated, rare
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