Rhodesia SG185a 6d Purple Grey-black and Deep Dull Purple Perf 13.5 Cat 475

Rhodesia 1910-13 Double Head Issue Perforated 13.5 SG185a (RSC-C) 6d Purple Grey-black and Deep Dull Purple Position 11. A Scarce Stamp. Ex Universal Auction April 2013 lot 18091 and 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.)