1861, 30¢ orange, vertical pair. One or two trivial blunt perfs, tied by unusual circular handstamps and scarce "Sherrill's Mount, Ioa." cds on 1864 cover to St. Gallen, Switzerland, red "Boston, Paid 12, Aud 17" exchange cds & "Boston Br. Pkt., Paid" on reverse, red "Aachen Franco" date stamp & backstamped with Swiss arrival postmarks, cover slightly reduced at left & bottom, F.-V.F.; with 2008 P.F. certificate. Scott No. 71  Estimate $200 - 300. $0 (Image)