Signet Miner’s Ring: 
 
Cushion shaped plaque with engraved pick & shovel, 
to tapering engraved shank 
22K yellow gold 
 
Maker’s mark on inside (Chinese lettering)
 
Total item’s weight: 8.2gr. 
Ring’s size: L 1/2 (resizable)
 
Antique, XIX century, Australian Gold Rush period