Vintage Red and Gold Tiebten Ring

Elegant vintage ring featuring a striking red stone set in a gold tone band. Perfect for adding a touch of sophistication or if your a history hound perfect conversation piece. the gold tone band is a little tarnished I don't know where to call it really a gold tone it looks more like a brass tone. the ring is light weight. has a dragon on one side and I believe a coy fish on the other but I can't really tell. on the inside I think it's either Buda or a samurai. the ring looks very old so vintage costume jewelry jewelry ring unisex adjustable band tiebten or Chinese has markings on the back. would love to learn more about this ring if anyone has an idea about it. :) .5 of an inch width height is just over an inch please see pictures for measurement details.