The Fancy Fox has dated this piece to the Georgian era.
It is unmarked, c.1765-1770

Reference: Worcester Blue & White Porcelain 1751-1790, Branyan, French & Sandon, section I.E.9.
It measures 6.5cm (2 1/2") high, 5.5cm (2 3/16") rim to rim and 8.2cm (3 1/4") rim to handle.
Condition is very good; there is a small, shallow chip to the foot rim. No other issues or restoration and handling wear is light.
The Fancy Fox has dated this piece to the Georgian era.
Offering fine porcelain and pottery, 18th century and later, silver, glass and other small attractive pieces
You can view the stock and full dealer information on the The Fancy Fox Profile Page