Assertion: coin's use | /r/CapableOf | become scarce
Facets:
value: during the 20th century
type: TEMPORAL
value: increasingly
type: DEGREE
Source sentences:
text: However, during the 20th century, the use of precious metals for circulating currency became increasingly scarce.
text: While the commemoratives of these decades continued to be issued predominantly in precious metals, their use as circulating currency became scarce or ceased entirely.