A serious "statement" knuckleduster ring, made from Sterling silver with mirror finish, either plain  (no gemstones) or set with 5 or 12 white sapphires.  Image shows 5 sapphire ring black rhodium plated.  Graduated ring band average width 6mm, widest part of ring 32mm.  Heavy.  Hallmarked.
Options; 
Plain, (no gemstones) - size R½
With 5 white sapphires, graduated sizes, Black rhodium plated - size P½
 With 12 white sapphires, graduated sizes - size P½
Please contact me if you require a different ring size or colourway.