The cloth is slightly faded on the external surfaces, and has rub marks on the central section, where items could be strapped. The bags have a hard leather back pane on each side, to help them retain their shape. RBNr means Reichbetriebsnummer (National Business Number).
Although these were instituted long before, they were not required to identify manufacturers until 1943. This example indicates manufacture by industry (The first 0) in Vienna 1001 to 1025 were all Vienna (Wien) codes. The item "WW2 Original German Military Fabric Motor or Bicycle Saddlebags" is in sale since Monday, June 17, 2019. This item is in the category "Collectables\Militaria\1939 - 1945 (WWII)". The seller is "dave_from_oz" and is located in Farrer, ACT.
This item can be shipped worldwide.