SOUTHERN NIGERIA 1907-11 6d dull purple and purple, SG39Southern Nigeria 1907 11 6d dull purple and purple, upper left corner block of 20 (4x5) with plate number '1', SG39. A fine positional piece unmounted mint, hinge mark in margin only. Some imperfections as normally seen in sheets of this size with creasing mostly affecting third column, and a couple of light gum tones. Overall, of fine appearance. An impressive positional multiple of this rare KIng Edward VII stamp. The Stanley Gibbons catalogue value