Signed enamelled and crystallized ball vase

Imposing ball vase with crystallized enamel decoration in shades of green and brown, signed - beautiful colors and singular patterns linked to. Crystallization which consists of raising the temperature of the oven, to melt all the components of the enamel which cover the ceramic piece - the temperature decreases very gradually and the enamel becomes liquid when the temperature rises, solidifies and forms crystals - signature to be identified - very good condition - {height: 29cm - neck diameter: 11.5cm max diameter: 22.5cm foot diameter: 13cm}.