cover 12c Black (17), ample to huge margins showing bit of next stamp at left, used with 3c Dull Red (11), horizontal strip of three, large margins to slightly in, all tied by blue "Philadelphia, Pa Apr 5" c.d.s. cancels on fresh 1853 pale green folded letter to Paris, France, red "New-York Br. Pkt. Apr. 6" exchange h.s., "26" (decimes) h.s. due, red Calais transit, London transit and Paris backstamps, ms. "pr. Steamer Asia, April 6th", carried on the Cunard Line's Asia, this cover paid the 21c rate to France by British Mail via American or British packet, letter addressed to Mr. Charles Toppan by Mr. Samuel Carpenter-two of the principals of the famous Philadelphia Engravers Toppan, Carpenter & Co.- the firm that held the printing contract for the U.S. 1851-57 Issue stamps, interesting contents about sending another partner to N.Y., "Mr. Casilear keeps entirely out of the way and has no judgement in business matters", very fine, illustrated in Hargest, p. 47 photo