C'est un porte étiquette! Et plus exactement, le lot provient d'un restaurant parisien et ces objets servaient à indiquer le nom des clients sur les tables réservées.
Max you were almost right! "I can only think that they hold up table numbers so the waiters can see where to deliver meals? " and
The answer I preferred was the one given by Small things little pleasures : "Moustache combs?"
And this is the purpose they will now serve :
