1922 (TAG) Compagnie des Transports Aeriens Guyanais, St. Laurent du Maroni-Cayenne-Inine Route cover to Cayenne franked with 75c black on salmon rose and 75c salmon (Mercury), each tied by framed "Avion" cancel, with St. Laurent du Maroni Guyane Francaise cds (Feb 10, 1922) alongside, used in combination with regular 25c violet, returned unclaimed to sender, filing fold away from the stamps, splendid combination franking, signed Calves, etc., with 1972 Diena certificate, ex-Alexander Newall (Cat No. CL5,CL9) (Image)

Est.US$2,500