Belgium Congo Ae Medallion by Fisch, large 86mm diameter, issued for the 50th Anniversary of the Lower Congo to Katanga Rail Road Companies change from Steam to BCK Electric Engines (1906-1956) extremely important Transportation Historic medallion, extremely fine and quite scarce, Steam Loco reverse and Electric Loco obverse "Compagnie du Chemin de Fer du Bas Congo au Katanga"