Four Chinese small hardstone vases 19th/20th centruy

Four Chinese small hardstone vases 19th/20th centruy, variously carved from green nephrite, rose quartz, agate and jadeite, one formed as a tripod censer with a liondog knop and loose ring handles, another with an adjoining dog, and a bird surmount, three with wood stands, minor faults, 9.3cm. (10)