Set of 3 vases with wavy optics

Height 24-32 cm. Nice set of three vases, one at 24 cm. and two at 32 cm.

They all have a nice wavy optic that winds around the vase, almost a spiral. The vases are mouth-blown and have been blown into shape, so they are cold blasted and have had the edge heated so that it is no longer sharp. They are from the 1960s and are probably French.

One of the tall vases has a small scratch on the rim.