Hong Kong 20 cents coin ring (with year)

British Hong Kong is a remarkable period of Hong Kong, form 1841-97, 20 cents coin is even more special because of the scalloped edge, which is a sign of British colony. The year of the coin will be shown on the surface of the ring. Years of brass 20 cents are limited in years between 1975-91, please message before ordering for the availability for the year as well as the size. ****** The coin is hand-cut by piercing saw with precision craftsmanship, not those factory made mass production can be compared. And some human marks are remained on the ring and consider as a signature, varies from different artist.