New York, New York, United States, November 6, 1855, paid 10 cents steamship rate to Vera Cruz, endorsed per "Origaba." D.T. LANMAN & Co., NEW-YORK, DRUGGISTS" sender cachet.
Matanzas Cuba, July 20, 1858 dateline, apparently forwarded by Lanman & Kemp, enters the mails New York, July 31, 1858, to Paris, France. Sent by Vanderbilt European Line North Star, departed New York July 31, arrived Harve August 14 (cover has August 13 transit) rated 15¢ due, with 12¢ debit to France, French 8 decimes due marking, "D.T. LANMAN & KEMP DRUGGISTS, NEW YORK" senders cachet on back.
New York, June 21, 1884, U115 1¢ blue postal entire pays the UPU printed matter rate to Argentina. Buenos Aires returned [Devuelta] handstamp. Lanman & Kemp corner card with business address of Kemp Building, corner or William and Cedar Streets.
New York, December 12, 1887, registered letter to Baden Germany, U222 5¢ postal entire and 10¢ brown 1882 American Banknote Co. pay the registered UPU letter rate to Germany. Endorsed "p. Trave" (Norddeutscher Lloyd Trave). Lanman & Kemp New York December 10, 1887 datestamp, large New York registry examiner's handstamp, and Eitlingen, December 25, 1887 transit on back.
HUD. TERM. STA. NY 4 [New York] March 25, 1925 AIR-MAIL SAVES TIME slogan cancel on letter to New York City franked with 2¢ carmine 1923 with L&K perforated initials.
Lanman and Kemp perforated initials on 2¢ carmine 1923 stamp. Scan of the back of the stamp flipped horizontally so that the initials do not read backward.