Banco de Portugal, a group of progressive proofs for a 100 Escudos (4), ND (type of 25 June 1947), first: obverse and reverse as issued, with no serial numbers or signature, second: obverse multicolour underprint, third reverse die proof in brown print, fourth: multicolour underprint, in PMG holders 63, 63, 63, 64, choice uncirculated and rare (4 notes)
Pick 159 £150-£200