1917-18, 11¢ light green & 3¢ purple Offset, type IV, graded singles, 11¢ exceedingly well centered within jumbo margins, cancelled by "New York S" third class oval; 3¢ choice centering, bright and fresh, attractively cancelled by red violet postmark, Extremely Fine to Superb singles, SMQ $190+; each with 2008 P.S.E. certificates, graded XF-S 95J and XF-S 95 respectively. Scott No. 511, 530  $3. $0 (Image)