Assertion: penny's weight | /r/CapableOf | remain unchanged
Facets:
Source sentences:
text: George V pennies were produced every year to the same standard until 1922, but after a three-year gap in production the alloy composition was changed to 95.5% copper, 3% tin, and 1.5% zinc, although the weight and size remained unchanged (which was necessary because of the existence by then of large numbers of coin-operated amusement machines and public telephones).