Set of 8 old glasses in Portieux crystal

Superb set of 8 antique water or wine glasses blown and cut from the crystal factories of portieux renaissance model. They are not stamped because they are too old. Very elegant glasses on feet of the early twentieth century. In excellent condition, there are very few signs of use. The glasses are clean and not scratched. They have no chips or even gins. There is just a tiny chip on the surface and a few millimeters on a glass (see photo) A great series! Height: 15.3 cm. Drinking diameter: 7.4 cm. Foot diameter: 7 cm.