Les puces de Saint-Ouen
Marché Vernaison

The winding aisles of Marché Vernaison contain an abundance 
of silver, furniture, old toys, keys, ceramics, linens, and much more.

It is reminiscent of flea markets of the past and is one of the
Antica, Biron, Cambo, Dauphine, Jules Vallès, Le Passage, Le Plateau, 
L'Entrepôt, Malassis, Malik, Paul Bert, Serpette, Vernaison, l'Usine and Lécuyer

Check the link before you go and choose wisely 
as you will not be able to see it all in one trip.

Marché aux Puces, Saint-Ouen
Porte de Clignancourt
75018, Paris