Marks on bowl for spiced wine

[silverfan]

The triangle on the right is the rather rare mark of Breidenstein & Renaud (tong between B and R); within the left triangle you see a kind of sphinx? Does anybody know the meaning of this mark?
Regards silverfan

[Bahner]

Hello, this is just another mark used by the company. Regards, Bahner

[silverfan]

Thanks Bahner, this mark is not specified in my records.
Regards silverfan