A rare Martin Brothers stoneware triple bird group modelled standing upright with claws crossing

A rare Martin Brothers stoneware triple bird group modelled standing upright with claws crossing, with individual content expression, the central bird modelled as a monk with shaved plumage, glazed in shades of blue, green and aubergine on a buff ground incised Martin Bros London & Southall 9-1909 to base and each head 23cm. high