Hoffmann postcard of  Kapitänleutnant  and famous U-Boat Ace Otto von Bülow with original wartime signature. 
 
Ritterkreuz:  20.10.1942 as as Kapitänleutnant and commander of U-404
 
Oak Leaves : 26.4.1943  as Kapitänleutnant and commander of U-404
 
The postcard was sent as Feldpost (2.8.1944 stamped) to a HJ-boy named Theo Smets. Some more original wartime signed postcards, which were sent to him, will follow in future updates.
 
size: 9 cm x 14 cm
 
condition: normal traces of aging