Rare antique "Krupp" Bowl of Bulgarian River Navigation. Measures: bottom diameter - 4.2 centimeters, top diameter-6.5 centimeters and height-1.7 centimeters. Made of steel in Germany in 1935 and marked by the firm on the outside of the "Krupp Berndorf" bottom and bear mark. On the inner side of the bottom there is a sign of the Bulgarian River Navigation - anchor and an inscription BRP.

Bulgarian River Shipping AD was established in March 1935. The beginning of the Bulgarian Danube state navigation was set up with the opening of a regular line for the carriage of passengers and cargo between Ruse and Vidin with the steam Vit and Osam tugboats, reorganized as cargo-passenger. Initially, the enterprise was named "River Coastal Navigation". Later, on May 31, 1940, it was legally transformed into the independent Bulgarian River Shipping Company based in the city of Rousse. In just a few years its activity grew, the fleet was being filled with more and more vessels. Begins  The Second World War and find  enterprise with of one of the most modern on the Danube river 4 express cargo and refrigerated ships, 3 large luxury passenger ships, ferry for the transportation of railway cars and passengers between Bulgaria and Romania, tractors and barges.