This pewter measure is marked 1 Gill on the belly. It measures 3" tall and 2 1/4" in diameter. There is a single fillet (raised rib) just above the widest part of the belly. That along with the shape of the handle date this measure to 1880. There is a verification mark with a crown, ER 29. This measure is in fair condition. It is out of round and the handle appears to be bent.
Ca 1880 British Bulbous (Bellied) Pewter Measure, 1 Gill