Single antique cufflink of 15ct gold with a natural gold ore vein deposit (in quartz?). It has gold chain links attached to the back but Is without the toggle / bullet fitting.  

Bezel set with an attractive hand-crafted double gadrooned edge. 

The back is stamped 15C. Probably Australian. 

Would make a stunner of a ring!

Very good condition. 

23mm x 10mm. 

Weight 3.44 g.