World Banknotes

Banco de Cabo Verde, a comprehensive group of proofs and specimens for the 500 Escudos of 1977, comprising obverse and reverse die proofs in blue, three regular specimens, two more specimens laid down on black card, one approved proof with ink annotations in margins, two printers positional proof (with biro lines indicating the position of various elements), and one large format proof with specific approved annotation in margins, some with mounting traces, mostly uncirculated or thereabouts, rare to unique (11 notes)
BNB B202, Pick 55 for type £500-£700

Most, if not all of these notes are all recorded and illustrated in Banknotes of Cape Verde after Independence, by Peter Symes and David White.