Working in filigree, Alfredo Inga tells a story of yin and yang. First mentioned in the fourth century B.C., they embody the two complementary forces, or principles, that make up all aspects and phenomena of life. Yin is earth, female, passive and absorbing, while yang is heaven, male, light and active. The symbols cover a wide silver ring with an oxidized finish. .999 and .925 Sterling silver