Dutch Cornscale, 19th century

A brass Dutch ned 1/2 Head Cornscale. Cornscales are known since the 18th century and were usually made in four sizes: 1-half-quarter-round head. Usually they are related to the voormetrieke pounds and measures of capacity of Groningen and Amsterdam: the centres in the cereals trade. There are several hallmarks on the barrel, zie pictures.  In 1820, at the introduction of the metric system, new corn scales marketed by 1 Ned head (litres), 1/2 Ned head (1/2 litres), 2 Ned Buddies (2 decilitres) and 1 Ned Buddy (1 deciliter). Diameter is 9 cm.