Assertion: rupee coin | /r/MadeOf | ounce
Facets:
value: at 90%
type: OTHER
Source sentences:
text: The 20 franc coins are 21 mm in diameter (about the size of a U.S. five cent piece or a Swiss 20 Rappen coin), weigh 6.45 grams (gross weight) and; at 90% pure, contain .1867 ounces or 5.805 grams of pure gold.