Opaline pink vase Napoleon III period

Very beautiful pale pink vase from napoleon 3 period. It is decorated with flowers and foliage in brown, white and green tones. It is made of opaline, a technique used to imitate porcelain when, in china, it was difficult to learn how to make porcelain. It is a fully tinted glass that can be declined in any tone of color, here in pink. Fance. Around 1860.