A Chinese Canton enamel helm-shaped ewer with shell-shaped basin, Yongzheng/Qianlong

Full title: A Chinese Canton enamel helm-shaped ewer with shell-shaped basin, Yongzheng/Qianlong Description: Dim.: 38,5 x 32 x 10,5 cm (the basin) H.: 27,5 cm - L.: 25 cm (the ewer)