Assertion: silver dollar | /r/HasProperty | struck with final minting
Facets:
value: between 1878
type: TEMPORAL
value: in 1921
type: TEMPORAL
value: between 1904
type: TEMPORAL
Source sentences:
text: Morgan silver dollars, all composed of 90% silver and 10% copper (slightly less silver than sterling silver), were struck between 1878 and 1904, with a final minting in 1921.