, further marked "Approved", initialled and dated "12.9.11". Unique. Photo" /> essay 3/- surface printed essay in the issued design, in brown with the head let in and the surround touched up in Chinese white, inset on thick card (85 x 91mm.) dated<I> "Sept 8th 11."</I>, further marked<I> "Approved"</I>, initialled and dated<I> "12.9.11"</I>. Unique. Photo | Christie's