An enamelled Yixing tea canister 19th century

An enamelled Yixing tea canister 19th century, painted with a band of white calligraphy on blue enamel between further horizontal bands of yellow ruyi heads and pink and green stylized scrolls, unmarked, 10cm. Provenance: by repute from the collection of K S Lo. Cf. Liang Baiquan, Yixing Purple Clay Ware, no.137 for a related jar.