Rare small crystal baluster vase "overlay" cut old blue and white enamel

Rare and very pretty little baluster soliflore vase, in thick cut crystal, "overlay" superposition of layers of enamel, white and bright blue. Old late 19th or early 20th century, saint louis. Pretty shape, serrated neck and trumpet, flared top narrowed towards the base ending in a small round base. Double container in colorless crystal, a first vase lined with a second with a void between the 2. Exterior decoration cut with sides, ovals and geometric patterns. 22cm high, 9cm max diameter approximately. Good general condition, a veil tarnishes the transparent glass, between the 2 containers, limestone marks or wear at the bottom of the neck, a small chip on the enamel and a small star-shaped shock on the interior container, discreet. A few other small discreet defects and small scratches. Beautiful object however. Approximately 700-800gr.