Lot 5971870, 2¢ red brown, horizontal pair. Tied by crossroads cancels paying the 4¢ open mail rate on 1871 folded letter to St. Jean D'Angely, France, red "New York, Dec 9" cds and endorsed "Steamer, City of Antwerp" at top, "10" decimes due handstamp and reverse with red London and various French transit cds's, Very Fine, ex Ashbrook.
Scott No. 146 Estimate $400 - 600.
Lot 5981870, 2¢ red brown + 10¢ brown, two singles. Grid canceled on ca. 1872 cover to Lima, Peru, red "New York, 24, Nov 19" transit cds and receiving backstamp; couple tiny top cover tears and missing backflap, corner nick in one 10c, Fine.
Scott No. 146+150 Estimate $250 - 350.
Lot 5991870, 2¢ red brown. Two singles, tied by cork cancels on a blue folded letter from Boston to France, Very Fine, a scarce example of the Open Mail rate via England; with 1982 P.F. certificate.
Scott No. 146 Estimate $150.
Lot 6001870, 2¢ red brown + 6¢ carmine, horizontal pair. Cork canceled on registered cover to Montandon, Pa., matching "Conyngham, Pa., Jun 13" cds and manuscript "Regt no 32" endorsement at left; cover slightly reduced at right, Very Fine.
Scott No. 146+148 Estimate $150 - 200.
Lot 6011870, 3¢ green, horizontal pair. Tied by cork cancel on 1871 cover to Paris, France overpaying the 4c open mail rate, Boston exchange cds and Calais transit postmark with matching "10" decimes due handstamp, red London and receiving backstamps; cover tear at upper left, otherwise Very Fine, a scarce usage from Boston, Hargest had reported seeing only one cover from the Boston exchange office paying this rate.
Scott No. 147 Estimate $200 - 300.
Lot 6021870, 3¢ green, horizontal pair + 10¢ brown. Pair with natural s.e. at right, slightly overlapping and applied over City Hotel corner card on 1871 cover to Nancy, France, tied by cork cancels with matching "New Orleans, La., Nov 20" cds, paying 1/3-1/2 oz. British rate but sent French direct rate, red New York transit postmark and receiving backstamp; sealed cover tear at lower right, F.-V.F.
Scott No. 147+150 Estimate $200 - 250.
Lot 6031870, 3¢ green, horizontal pair. Manuscript canceled on small 1873 cover to Paris, France, 2¢ overpayment of the 4¢ open mail rate, red New York transit and Calais entry postmarks with "10" decimes due and English accountancy handstamp tying stamps; stamps each with small tear, F.-V.F., a very scarce rate.
Scott No. 147 Estimate $100 - 150.
Lot 6041870, 6¢ carmine. Tied by cork cancel on 1871 cover to Paris, France overpaying the 4c open mail rate, Boston cds and Calais transit postmark with matching "10" decimes due handstamp, red London and receiving backstamps, Very Fine.
Scott No. 148 Estimate $200 - 300.
Lot 6051870, 10¢ brown. Tied by leaf type NYFM cancel (Weiss RE-LF1) on 1872 corner card cover to France, red "New York, May 23" cds, treated as double rate in France with blue "10" decimes due handstamp and matching Cherbourg entry cds; some small cover tears, otherwise Very Fine, an extremely rare NYFM cancel with only one other recorded usage on cover.
Scott No. 150 Estimate $300 - 400.
Lot 6061870, 12¢ dull violet. Tied by Middleborough, Mass. duplex cancel on an 1873 cover via Boston and England to Turkey, with two backstamps including red British Post Office of Constantinople, couple minor sealed cover tears, Very Fine, a scarce destination.
Scott No. 151 Estimate $300 - 400.