1939-1950 AD., Great Britain, Apothecary Weight, Austerity Type, unknown manufacturer, brass, 1 Drachm.

Great Britain, Apothecary Weight, Austerity Type, unknown manufacturer, ca. 1939-1950 AD.,
60 Grains (1 apothecaries' drachm) (15 x 16 mm / 3,76 g), square shape, brass, theor. weight 3,89 g., axes medal alignment ↑↑ (0°), plain but irregular edge,
Obv.: Ê’ i , apothecary symbol for 1 Drachm in an incuse square.
Rev.: 60 / GRAINS , numeral & “GRAINS” in an incuse square.
http://www.apothecariesweights.com/catalogue no. 1114 .

from www.apothecariesweights.com: Cut roughly square and filed to correct weight.
Probably World War 2 or Post War Austerity Issue.