Lidless bulbous or bellied measure with crowned "GR IV" "IMPERIAL" seal applied on front; half gill size. Applied rim with incised line below and cast circular base with vertical foot ring; faint line partially visible at seam. Molded D- or ear-shaped strap handle. Three marks to right of handle, crowned "N" and "N.C" verification marks and "No 5" (upside down).
Crowned marks not identified. This type of measure is associated with Sheffield, circa 1825-1835, made shortly after the adoption of the Imperial Standard in 1824.