A. Lebeau-Courally/liege 12/70 sidelock http://auctions.springer-vienna.com/en/d...;currentpos=259

" In the year 1939 Charles, Count of Flanders and Prince of Belgium, (1903 – 1983), the brother of the Belgian King Leopold III., appointed the Liege gunmakers Auguste Lebeau-Courally, famous as purveyors for the Imperial Russian court, to build two field guns, intended as a gift. ...
Charles was installed as Prince Regent in 1945 by the provisional government to replace his exiled brother, and also his gift was finally finished: A pair of fine sidelock ejectors for the French General Charles de Gaulle ...
The makers kindly confirmed that the serial number 43041 is the number two of this same pair."