Large Chinese Green Jade or Hardstone Censer

two tiered form on circular flared base, lid with Greek key and wave decoration and foo dog finial, upper tier with two large dragon masks with ring handles in mouths, lower tier with two side and ring handles, 19 x 13 x 7-3/4 in.
Condition Report: scattered cracks and several repairs throughout, especially at rim, lower tier body, and base, surface dirt and accretion, natural inclusions throughout