Special Delivery, 1911, 10¢ violet blue, o.g., never hinged, rich bold violet blue color, exceptional centering amid large well balanced margins, fresh and Extremely Fine to Superb, a choice example of this very scarce shade variety; with 2012 P.S.E. Graded certificate (XF-Sup 95, SMQ $1,500). Scott No. E8b  $300. $0 (Image)