Each varying in size, all cylindrical form, one jade thumb ring of the translucent stone of an even white tone, one glass ring, the exterior inscribed with an imperial poem, the glass of pale greenish color, one pale celadon jade thumb ring, the exterior carved in low relief of cloud design, the last one of Ming style burnt jade, the exterior carved in Chinese character, the stone with russet inclusion. 0.9-1.2 inch H