A coronation Orb in celebration of George V's Coronation
Well, that's what we think it could be!
It's not a conversion piece.
 
Modelled in three colours of high carat gold (white, yellow and rose) and decorated with a ruby, diamond, sapphire and an emerald, set into little squares on a floral panel. 
 
weight - 6.8g
date - circa 1911
Measures - 16mm diameter not including bail
 
Excellent condition
 
Antique box not included