Assertion: penny | /r/HasProperty | zinc
Facets:
value: mainly
type: DEGREE
value: from 1864
type: TEMPORAL
value: except
type: DEGREE
Source sentences:
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.
text: Unlike pennies made since 1982 (which are mainly zinc), all 1969 Lincoln cents are made from a composition consisting of 95% copper, 5% zinc.