Lot
594 
1870, 2¢ red brown, N.B.N.C. printing, two singles, in combination with 1870, 3¢ green, two singles (147) overlapping on 1873 cover to Paris, France, tied by red "Philadelphia, Pa., Jul 26" cds and cork duplexes, overpaying the double 4¢ per half ounce (15 grams) British open mail rate (paid only to the UK), "10" decimes due handstamp, Very Fine. Scott Nos. 146 Estimate $150 - 200.
Likely sent via Guion Line - per the steamer Nevada, departing New York on July 30th and arriving in Queenstown on August 9th.