A very fine used example of the 1/- black on blue green King George V stamps from the 1914-1922 De La Rue Imperium keyplate design, multiple crown CA watermark on chalky paper, with a white backing. The SON location is obscured, but the date is November 2nd, 1916.
Included in the photos is a scan of every different paper back found for this paper color.
Gibbons lists a very fine used example at 23 pounds, (approximately $46). The stamp offered here grades 84 as follows:
