Banco Nacional Ultramarino, Macao Banco Nacional Ultramarino, Macao specimen 500 Patacas, 8 August 1981, serial number NA 00000, signature title Presidente at left, olive-green on multicoloured underprint, portrait of Venceslau de Morais at right, reverse Baia da Praia, (Pick 62s1), overprinted SPECIMEN diagonally in red on obverse and reverse, control number 086 in top left reverse corner, two punch holes, in PMG holder 67 EPQ superb gem unc, highest grade on PMG Population Report