A rare Yorkshire creamware double-walled cup and saucer, c.1775-80, the external wall pierced with

A rare Yorkshire creamware double-walled cup and saucer, c.1775-80, the external wall pierced with roundels picked out in green enamel on a ground of hexagons picked out in purple, the cup's handle formed as a long fish or dolphin, 13.8cm. (2)

Cf. Tom Walford, Ling Long in Yorkshire,Transactions of the ECC, Vol.20, Pt.1, pp.161-166 for a discussion of a teapot sold at Bonhams, 18th December 2012, lot 105. Two beakers and saucers are in the Museum of Fine Arts in Richmond Va. and at Temple Newsam House in Leeds. Two double walled bowls, also matching, are in York Museum.