Europeen silver box mark ?

[arap10]

I have a silver box made in 40's with this type of stamp (sorry for the bad drawing). It's europeen i am sure but from where ?
Could you help me ?

Many thanks

http://fr.pg.photos.yahoo.com/ph/arap10 ... .dir=/c2fe" onclick="window.open(this.href);return false;

[Bahner]

Hello, this is plate. Made by 'Atelier du Val-de-Marne', located Rue du Mont-Tabor 36, first district of Paris. Active around 1950-70. Best wishes, Bahner

[arap10]

Thanks you so much for your help.