Banco Nacional Ultramarino Issue, 7th Issue of 1959, Set of 6 Specimen Notes: 30, 60, 100, 300, 600 and 1000 Escudos. The first note of 30 Escudos has printed PROOF No. 821/27 at the lower bottom left on obv, all others are overprinted SPECIMEN (Jhun# 35,