The Laurence Pope Collection of Portuguese Colonial Banknotes - Part One
Banco Nacional Ultramarino, Portuguese Guinea, specimen 50 Escudos, 14 September 1937, no serial number, Joao Baptista de Araujo signature, red Bradbury Wilkinson seal, two cancellation holes, marked 'A' in lower right margin, in PMG holder 64, choice uncirculated and very scarce
BNU PG33sp, Pick 23s £400-£500
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This is the BNU plate note