FF Makers marks.

[Wolfend]

Hi!
Please help!
FF makers mark?

[Hose_dk]

this look like french mark. http://www.925-1000.com/Ffrench_makers_F.html

Is it the only mark? in case its silver there must be a second mark

[Zilver2]

François Frionnet (& Cie)
Manufacturer jeweller & gilder
8 rue des Quatre-Fils, Paris
Symbol : a star over a crescent (une étoile, un croissant au-dessous)
Post 1838
Albert Frionnet 1911-1944, same address

[Wolfend]

Thank you:)