RHODESIA 1910-13 6d purple-brown and brown-purple, variety, SG176varRhodesia 1910 13 6d 'purple brown and brown purple' (= Rhodesian Study Circle 'H', from frame plate II), perforations 15, SG176var. A fine and fresh mint example with large part original gum. Off centre as often seen, but still a very fine example. A scarce colour variety and highly sought after. This is probably the most popularly collected area of stamps from Rhodesia, known affectionately as "the double heads", featuring Queen Mary and King George