Banco de Portugal, a group of progressive proofs (5) for a 20 Escudos, ND (1941), obverse: two die proofs, one multicolour underprint, reverse: green die proof, second multicolour underprint, all with one cancellation hole, all are in PMG holders 63, 64, 63, 64 EPQ and 58, choice about uncirculated to choice uncirculated, rare (5 notes)
Pick 153p £200-£260