1861, 30¢ orange + 3¢ rose. Tied by "Norwalk, Ct., May 2, 66" cds and target duplex on double rate Prussian closed mail cover to Wurenlingen, Switzerland, red "N. York Am. Pkt., Paid" exchange cds and "12" credit handstamp, blue Aachen boxed date stamp and numerous transit backstamps; cover with sealed corner tear at top right, Very Fine. Scott No. 71+65  Estimate $300 - 400. $0 (Image)