National Bank of Egypt, specimen £50, 14 November 1919, serial number Y/2 040000 - 020001, purple on multicolour underprint, Mameluke tombs at centre flanked by value in ornate tablets, camel train low centre, bank title top centre, unsigned, reverse, purple on light orange and green underprint, guilloche patterns and value (Pick 15sp, Hanafy M2.1, TBB B113as), in PMG holder 64 Choice Uncirculated, perforation cancelled, printers annotation, previously mounted and very rare