Rhodesia 6d Reddish-brown and (Brownish) purple RSC-I

Rhodesia 1910-13 Double Head Issue Perforated 14 6d Reddish-brown and (Brownish) purple No Gash 5 Position 43 Lower Printers Mark. Ex Mike Rolfe. (The RSC number is from the detailed listings which are available free of charge on the website. Ebay wont let me give a link but just search for the rhodesianstudycircle.)