Rhodesia SG158b 3/- deep bluish green and deep purple M/M Dash at top 6th Rayon

Rhodesia 1910-13 Double Head Issue Perforated 14 3/- deep bluish green and deep purple long gash headplate position 22 showing Dash at top of 6th Rayon. 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.)