A nice piece of West Australian history, this serviette ring is marked for George Richard Addis who was working in Coolgardie from 1884 until 1937. He is known for his mining jewellery, but various serviette rings with his marks have been seen. For a great article on Addis and his life before West Australia check out https://australiana.org.au/assets/issue/Australiana_2016_2%20May_LR.pdf
Stamped 'G.R.Addis'
It weighs 32 grams.