1861, 10¢ yellow green (two singles, beautiful centering) + 1¢ blue. Tied by grids & red "N. York Br. Pkt. Paid Jun. 28" circular datestamp on blue 1862 folded cover to Amsterdam, endorsed "Pr. St. 'Etna', pr Open Mail via Ostend", missing bottom flap, Very Fine and attractive. Scott No. 68+63  Estimate $400 - 600. $0 (Image)