π CONDITION NOTES:
WM6 - Cat= $450
Back flap has notable toning/staining
Bears the large purple oval "First Flight Air Mail / Via Graf Zeppelin / United States - Germany / Oct 28 1928" cachet with handwritten "Via German Airship L
1881 T.W. & J.H. Langdon Farm Machinery Advertising Cover Springfield NE Sports π CONDITION NOTES:Illustrated corner card, "T. W. & J. H. Langdon, Dealers in Farm Machinery, Wagons, Buggies, Wind Mills, Sewing Machines and Supplies, Springfield, Nebraska." Franked 3c Washington, tied Springfield, Neb. cancel. Addressed to Miss Ella Morgan, Kasson, Dodge Co., Minnesota. Kasson receiving backstamp APR 14. Accompanied by the matching printed letterhead billhead from the same firm, "Office of T. W. and J. H. Langdon," dated Springfield, Neb., April