1851, 12¢ black, horizontal strip of four. Manuscript canceled on 1854 double rate legal size cover to Liverpool, England, red "New York, 6, May 20" exchange cds alongside, cover forwarded to London with G.B. 1864, 1d rose, pair tied by "466" barred oval handstamps; cover wear and stamp flaws, otherwise Fine; a rare double rate usage. Scott No. 17+G.B. 33  Estimate $3,000 - 4,000. $0 (Image)