Box le bon marché 1940 with flowers

Irresistible box sheathed with a rayon pancake from the 30s 40s covered with a jumble of buttercups and expressionist poppies, quilted lid, perfect condition. All that remains is the trace of the bon marché label affixed to the bottom. But what could this exquisite object of great quality contain... Height 10, 5cm. Diameter 18cm.