Switzerland to the United States via Prussian Ciosed Mail

A very scarce example of mail from Switzerland to the United States through the Prussian closed mail route appears in the Illustration. In 1867 such Trans-Atlantic letters could go via France for llOc., via Bremen for 95c. or via Prussian closed mail for 170c. or 180c., depending on the Swiss zone of departure. With such a high price, the Prussian way was unlikely to attract much business. Nevertheless, a writer in Brienz picke