A Martin Brothers stoneware inkwell, tapering square section, incised and painted with a bird

A Martin Brothers stoneware inkwell, tapering square section, incised and painted with a bird perched on a flowering bough, another side with a butterfly flying past daisy flowers, the two sides with flower sprays, in green and blue, highlighted with white on a buff ground, with metal mounts and cover, incised Martin Bros, London, date concealed by mount, 11cm. high