10c Deep Ultramarine, Special Delivery (E12a). Mint N.H. with plate no. 17241 in selvage at right, intense shade and impression, choice centering with Jumbo margins, Extremely Fine Gem, with 2005 P.S.E. certificate (XF-Superb 95 Jumbo; SMQ $700.00 as 95, $1,450.00 as 98)