United States 1870 10c brown New York Foreign Mail (TR-W18A) to France w/Certificate

Cover franked with 10c brown 1870, tied by intaglio fancy cancel and red New York Foreign Mail cancel (Weiss type TR-W18A), to Paris, France, black GB/10c accountancy and Calais entry c.d.s. (23 Jul) struck on front, no backstamps, a scarce strike, Weiss having recorded only one example, this example believed to bring the total now known to three, with 2004 P.S.E. certificate.