Angola: 20 Escudos 1947 design / color trial Specimen, not listed in Pick, similar to P. 79 but with different colors. Front and back are seperatly printed and mounted on cardboard. The note is a composit essay, partly printed, partly hand executed. A rare archival Specimen of the security printing works. Residuals of glue on back caused by removal from presenation book. Condition: XF.