Banco de Angola, progressive proofs (4) for the 50 escudos note of 1973 various underprint stages and with a watermark depicting Luis de Camoes (Pick 105pp), all with handwritten ANGOLA 50 ESC. FT (for front), on each elaborating stages of working in respective order consisting of 1st, 2nd, 3rd working with the last note having all 3 workings joined together, also the 3rd banknote has extra paper on lower right, in PMG holders 64 EPQ, 64 EPQ, 63 EPQ 64 EPQ, a wonderful selection providing an interesting insight into different stages of printing, scarce (4 notes)
