Assertion: penny | /r/HasProperty | 95% copper
Facets:
value: from 1864
type: TEMPORAL
value: except
type: OTHER
value: prior to that year
type: TEMPORAL
Source sentences:
text: Prior to that year, pennies were 95% Copper and 5% zinc.
text: The cent was again bronze (95 percent copper, and five percent tin and zinc) from 1864 to 1962, except: In 1943, the coin's composition was changed to zinc-coated steel.