(lot of 4) Chinese jade archer's rings, the first of spinach green tone with some white mottling; the second of intense russet tone with some minor white inclusion; the third of celadon tone with white inclusion; the fourth of Mughal style with grayish celadon tone and some minor mottling, widest 1.5"w. Provenance: Piedmont, California private collection amassed over the past fifty years.