Motorenfabrik Oberursel, Fokker E-III Monoplane. By the great German poster artist Ludwig Hohlwein, who unfortunately later on created propaganda posters for the Nazis. Shockingly, the wikipedia entry on Hohlwein makes no mention of it.

Ludwig Hohlwein (1874-1949) Marco Polo Tee (1920)

Ludwig Hohlwein German poster artist / Marco-Polo-Tee [Marco Polo Tea] advertising poster, lithograph, c. depicts elephant holding tea crate in its trunk

This poster work is art! (1926 Ludwig Hohlwein Lithograph - via periodpaper on eBay)

"Riquet Tee" This is an original 1926 seven-color lithograph advertising mini poster by Ludwig Hohlwein. Period Paper is pleased to offer a collection of origin