Assertion: coin's metal | /r/HasProperty | platinum
Facets:
Source sentences:
text: The best metals for coinage are gold, silver, platinum, copper, tin, nickel, aluminum, zinc, iron, and their alloys; certain alloys of gold, silver, copper and nickel have the best combination of the required qualities.[citation needed]
text: Precious metals (platinum, gold and silver) in the form of bars, ingots or plate, or where quantity is considered as a valuation.