1971. Hairdresses Series. Lower margin proof block of 6 (inclusive 1 label) showing 5 double-printed stamps ”Rendille Woman” double-printed with ”Young Toubou Woman” and 1 label ”Rhinoceros”. Margin inscription ”Coiffes Africaines”. On the reverse there is another printing showing 6 stamps ”Young Toubou Woman” in unissued colors and without face value. Mint, NH, VF. Rare! (ex Mi.
439/46)