Lot 5 photos destroyed Calais France 1940 #7 railway station

Lot of 5 photos 6x9cm of the destroyed city of Calais after the German bombardments May 1940. Photos were made by a German Reichsbahn official. Backside not described. These 5 photos are of the railway station. Trains and petrol tanks destroyed by the retrieving British forces or by the German bombardment?