Made of a very light weight metal, possibly Aluminium it measures 37mm in diameter & is crudely finished. There is no other information on the item.

Medallion weighs 1 troy oz / 31.1 grams & is 37mm in diameter, including the surround 42mm. The surround & chain are 925 Sterling Silver, the clasp is stamped Sterling...

Total combined weight approx 63 grams & measure 38.2mm in diameter.

Nice condition with only minor wear, good strike with reasonable lustre. Weighs approx 115 grams & measure 63.6mm in diameter. Sold with original perspex capsule.