The Laurence Pope Collection of Portuguese Colonial Banknotes - Part Three
Banco Nacional Ultramarino, Angola, specimen 2 1/2 Escudos, 1 January 1921, no serial number, perforated CANCELLED, red SPECIMEN overprint and De La Rue seal, in PMG holder 63, choice uncirculated, very scarce, the only note in this series printed by De La Rue, the finest of only three examples graded by PMG
BNU AN52s, Pick 56s £200-£260
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This is the BNU plate note