Assorted collection of antique buckles. 4 pieces

Assorted collection of antique buckles. 4 pieces All different designs of oval and rectangular shapes inset with some clear stones Size is about 2" w, 1.5" h (slightly different from each other) Please see the photos with measurements. Not sure when they are exactly from. I purchased them at the Flea market in Paris Porte de Clignancourt, Les Puces de Saint-Ouen ( Les Puces ). Was told they are Made in France from late 19 century at that time. In metal but not sure the kinds. Good antique condition Selling as is.