Watch List notes:

Banco de Angola, three hand executed watercolour and pen early stage obverse and reverse (2) essays for the 1000 anglares issue of 1944, green, brown, Don Joao II at right, the return of Diogo Cao on reverse, (Pick 82 for type), unique and presumably a preliminary essay for the iconic issue of 1000 angolares (3).

Estimate: £700 - £900