Assertion: coin's silver | /r/ObjectUse | used in currency
Facets:
value: in chinese history
type: TEMPORAL
value: for a very long time
type: TEMPORAL
Source sentences:
text: Silver has been used in currencies for a very long time, as well.
text: While silver and gold were also used for other currencies in Chinese history, as it has in most other cultures around the world, but also cowry shells, clay, bone, jade, iron, lead, tin, and bamboo (see Bamboo tally) were also materials that have been used for money at various points in Chinese history.