Set of 6 old diabolo shells

Beautiful set of 6 old diabolo coquetiers, late nineteenth, early twentieth. Stencil decorations in shades of blue / green. In very good general condition, there is a small chip on the edge of a cockroach (see photo) and very small ginnings on the basis of a cockroach (see photo) A coquetier seems to have some cracks of cooking without gravity because very little visible (see photo) A beautiful set! Height: between 4.9 cm for the smallest and 5.7 cm for the largest. Diameter: between 4 cm and 5 cm.