Robert and Bertram (1928)
Robert and Bertram (German: Robert und Bertram) is a 1928 German silent comedy film directed by Rudolf Walther-Fein and starring Harry Liedtke, Fritz Kampers and Elizza La Porta. It is based on the 1856 Gustav Räder play Robert and Bertram about the adventures of two wandering vagrants.
More at Wikipedia.