Oscar Will
Among Germans also one can find of Flobert, often with indication 6mm (without Fl).
This pistol “Walkure”, manufactured by Will Oscar, has a striped and conical barrel of 32 cm and was sold between 1900 - 1930.
Black completion, but the small metal parts are yellow.
Normally with the punches U, B and G crowned.
U = Uberpruft (controlled)
B = Beschuss (test)
G = Gezogen (striped)
Bert