LVS Decorative Arts has dated this piece to the 1920s.

Blue John or ‘Derbyshire Spar’ is a semi-precious gemstone considered to be one of the rarest minerals in the world and has tones of purple and yellow.
The name ‘Blue John’ believed to come from the French term ‘bleu-jaune’ meaning ‘blue-yellow’.
This vase is in very good condition for age and can go straight into a home or collection.
Size:
Height: 5.5'' / 14cm
Width: 4'' / 10cm
Depth: 4'' / 10cm
LVS Decorative Arts has dated this piece to the 1920s.
You can view the stock and full dealer information on the LVS Decorative Arts Profile Page
LVS Decorative Arts is a registered member of LAPADA CINOA