Two Dixon & Co Sunderland creamware frog mugs

Two Dixon & Co Sunderland creamware frog mugs, early 19th century, one printed and hand-coloured with a view of the Iron Bridge at Sunderland, the other with two figures flanking the Farmers' Arms, inscribed 'God Speed the Plough', each signed in the print, both mugs containing a large frog crawling up the inside, minor faults, 12.2cm max. (2)