Jeff Sims Antiques has dated this Silver Blue John Ring to the 1950s.
This gorgeous example is size K and also features a maker's mark. A timeless and elegant example. Dimensions below.

Postage and packing £10.00 UK
£18.00 Europe
£40.00 USA (including 10% tariff)
£28.00 Outside Europe
Condition :- Excellent, with no dents, splits or losses.
Date :- c1950.
Hallmarks :- Marked 'silver', Maker's Mark.
Height :- 1.5 cms.
Width :- 1.8 cms. (widest point).
Depth :- 2.2 cms.
Jeff Sims Antiques has dated this Silver Blue John Ring to the 1950s.
Antique silver, glass, jewellery and object de vertu.
You can view the stock and full dealer information on the Jeff Sims Antiques Profile Page