1860 (May 10) Savannah, Ga. to The Hague, Netherlands, cover with "Savannah Ga. May 10" cds and matching "Paid" with "42" prepaid rating for double rate, red "New York 'Paid 36' May 15" exchange cds, carried by Cunard Line Canada from Boston May 16 to Queenstown arriving May 27, Havre (5.29) entry cds with matching large "P.D." framed h.s., Hague (5.31) arrival backstamp, top edge and flap fault, F.-V.F., Uncommon French mail rate to the Netherlands. Estimate  $150 - 200. Letter prepaid 2 x 21¢ = 42¢ for the ¼-½ oz. rate to the Netherlands under the U.S.-France Postal Convention. New York credited 2 x 18¢ = 36¢ to France. Since a British packet carried letter across the Atlantic, the U.S. retained only 2 x3¢ = 6¢ of the prepayment. French marked "2" rates in the upper left corner and large boxed P.D. to show letter fully paid. $0 (Image)