Silver Cockle Shell Ring (Adjustable)

This adjustable silver ring has been made using D shaped wire of width 2.3mm and thickness 1.5mm.

The cockle shell has been cast from a shell collected on a local beach near Swansea.  It has a height of 8mm and a width of 12mm. 

The ring has an internal diameter of 16.8mm (M) when the overlap is 10mm.