The Fancy Fox has dated this piece to the 19th Century.
The original custodian, "F. DUFOUR", had their name engraved to the side.

It measures 8cm (3 1/8") across the rim, 10.5cm (4 1/8") rim to handle and 3.3cm (1 1/4") high to the thumb rest. It weighs 86g / 2.8ozt.
In excellent condition with no damage or repair. Minor signs of age and use, a couple of very minor bruises to the larger circular indentations, as to be expected from a piece that has such a practical social history.
The Fancy Fox has dated this piece to the 19th Century.
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