Langton's Pioneer Express/Cherokee. Black oval handstamp on 1853-55 3¢ Nesbitt entire to San Francisco with Langton's Pioneer Express typeset frank with flourishes, "1857" docket, short edge tear above the frank, top backflap partly missing, Very Fine and rare, Cover illustrated in Coburn's Letters of Gold (page 200). A rare frank., ex-Pearce & Haas. Estimate  $300 - 400. $0 (Image)