50 cents on 36 cents Caribou (Olive Green) An unusually well centered example tied to Sept. 25, 1930 COLUMBIA FLIGHT cover to Liverpool, England, nice W.A. MUNN corner card in red, Harbour Grace Oct. 9 backstamp, a choice and Extremely Fine cover destined for the finest collection, only 65 covers were carried from St. John's making it rarer than the DE PINEDO, signed A Diena, ex. Hoffman. Est US$15,000 +