Watch List notes:

Banco Nacional Ultramarino, Macau colour trial specimen 5 Patacas, 21st March 1968, zero serial, black on multicolour underprint, Bishop Cameiro at right, reverse, woman and ship,(Pick 49cs), 'SPECIMEN' overprint in red at front and reverse, perforation, in PMG holder 67 EPQ Superb Gem Uncirculated.

Estimate: £500 - £600