Vintage Silver Blue John Bracelet, c1960-70

A fabulous vintage Sterling Silver Blue John bracelet. It is set with nine beautiful oval Blue John stones with a purple tone.
The bracelet has a secure snap-in fastener.
Blue John is a unique stone only found in the Castleton area of Derbyshire, England.
Dated: c1960-1970
Stamped: SILVER
Stone weight: 16 carat approx.
Weight: 25 grams
Measurements: L 19cm / 7.5″ approx.