A documentary creamware jug dated 1815

A documentary creamware jug dated 1815, printed and coloured to one side with a scene of two racehorses being ridden by jockeys in bright colours, the reverse with a sad looking old nag, each above an eight line poem, inscribed 'Peter Unsworth Sadler-Newton, 1815', some restoration, 25cm.

The surname of Unsworth is common in the Newton area of Lancashire, although it has not been possible to find definite record of the gentleman in question.