Edo period (1615-1868), late 17th/early 18th century Finely painted on the interior beneath a brown-edged rim with clumps of wild flowers in coloured enamels, the exterior with the shochikubai (the 'Three Friends of Winter': pine, bamboo, and prunus, that flourish at the same time) growing from behind rocks in coloured enamels and underglaze blue. 18cm (7in) diameter.