Lot
577 
1863, 24¢ gray. Tied by circle of wedges cancels on cover to Wien, Austria, endorsed French closed mail at top however sent by Prussian closed mail, red "Boston, A. Pkt., 7 Paid, Jul 20" exchange cds and blue Aachen boxed date stamp, receiving backstamp; small cover tear at bottom, Very Fine. Scott No. 78b+73 Estimate $400 - 600.
Realized: $350