Toby jug (or pitcher), not a mug :-)

This china jug is larger than a mug, and is in the original traditional form of a seated man holding a mug of ale, and wearing a tricorn hat which forms the pouring spout.  It is nicely done but unsigned.

3/4 inch (1.9 cm) wide, 1/2 inch (1.3 cm) deep and 13/16 inch (2.0 cm) tall.