This is a Willets Belleek Mug in the Currants pattern. It measures 4 1/8" tall and 4 3/8" across including the handle. The bottom is marked with the Willets Belleek logo that dates it to between 1879 and 1912. It is in very good condition with no chips or cracks. Please email me with any questions.
Willets Belleek Mug - Currants