Lot
2734 
1929, 2¢ Sullivan Expedition, neatly tied by Horseheads, N.Y. First Day machine cancel on cover with Dorothy Knapp hand-painted add-on cachet (Planty 657-64, Weisz 657-1); addressed to England, Very Fine and rare, ex-A. Martin. Scott No. 657 Estimate $1,500 - 2,000.