Ovoid vase with a shishi on a rock between waves

Egg-shaped porcelain vase on spreading foot, straight neck and upstanding rim, painted in underglaze blue. On the wall two cartouches with a shishi (lion dog) in a landscape on a rock between waves, above the lion are a bird, clouds and two precious objects (pearl); around the foot a band with ruyi motif; around the body and shoulder a band with cloud motif alternating with 'shou' character; around the neck a band with meander pattern and ruyi motif. Blue and white.