1936 60 cnt Lithuania Kaunas to Sweden Stockholm, Promotional Envelope, Letter Cover

This 1936 60 cnt Lithuania Kaunas to Sweden Stockholm letter cover is a fascinating piece of postal history. Postmarked on January 14, 1936, it features a blue 60 cnt stamp with the image of President A. Smetona. The sender, John Hulstrom, dispatched it from Kęstučio Street 32 in Kaunas to Finspongs Metallverks A/B in Stockholm, Sweden. The envelope is notable for its promotional stamps advocating for aviation with the inspiring message: ``A nation without aviation, a nation without a future, let's be supporters.`` This cover not only represents a historical communication between two countries but also underscores the significance of aviation support during that era.