Rhodesia SG185 6d Pale grey-black and deep dull purple Perf 13.5 Cat 250 pounds

Rhodesia 1910-13 Double Head Issue Perforated 13.5 SG185 6d Pale grey-black and deep dull purple Long Gash 1 Position 21 (FPF) Line in 2nd W column. 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.)