Cf. Surgeon Captain P. D. Gordon Pugh, Naval Ceramics (1971), pl. 44A, for a similar jug.
Cuthbert Collingwood, first Baron Collingwood (1750-1810), vice-admiral. Collingwood's naval career was closely connected with Admiral Lord Nelson, he was second in command at the Battle of Trafalgar in 1805. On Nelson's death he assumed command and was rewarded with a peerage.