Original 8mm ammo can early variation typically for Maxim 08 and 08/15 though used with MG34 and MG42 machine guns. These are identifiable by pre-WW2 pattern toggle latch and handle. They are also slightly heavier than the later Patronenkasten 34.
This particular ammo can has the markings of the well know toy maker Gebrüder Bing. This company was well known for its toy trains and toy live steam engines.
Accoding to the Wiki page:
"By 1927, Bing was in serious financial trouble and the company's president, Stephan Bing, and his son, left the company, initially going to work with another Nuremberg-based toy firm.
In 1932, Bing was in liquidation, and the Bings, who were Jewish, fled to England because of the rise of Adolf Hitler. The company went out of business for good in 1933. Much of its tooling was acquired by Bub, a rival toy company.
Stephan Bing helped to start the British company Trix. Other Bing executives started the similarly named company Trix Express.: