Lot 30710 – 1902ca. De La Rue “Minerva head” imperforate printers samples with “AFRICA / 2 1/2d” duty plate set of eight mint nh

1902ca. De La Rue “Minerva head” imperforate printers samples with “AFRICA / 2 1/2d” duty plate set of eight mint nh on unwatermarked wove paper, in four different colour combinations (dull green and brown-orange dull and bright purple dull green and violet and dull green and carmine) each on both uncoated ordinary and chalk-surfaced paper, produced when chalk-surfaced paper was introduced for the KEVII stamps of Transvaal and the Natal 10s and £1, very fine