Macau, Banco Nacional Ultramarino, 50patacas, 'specimen', 1976, black serial numbers, grey-green and multicoloured, Carmoes at bottom right, watermark at left, coat of arms at bottom centre, value at four corners, red 'Especimen' overprinted, reverse grey-green, maiden watching ships and ship seal of the bank of left,(Pick 56s) PMG 66 EPQ Gem Uncirculated, seldom offered and in fantastic condition, rare
