CB79 CB79 info Material: Brass Original producer: CORBIN (IT) Use: Telephones Blade length (G): 12.700mm Blade width (H): 5.200mm
MER43R MER43R info Material: Brass Original producer: MERONI (IT) Key length (A): 38.32mm Blade length (G): 14.300mm Blade width (H): 5.950mm
MER43RP copy of MER35RP info Material: Nickel-plated brass Original producer: MERONI (IT) Stem diameter (B): 1.750mm Key length (A): 50.100mm Blade length (G): 14.300mm Blade width (H): 6.000mm