357818
Modern determinations of weight range from 4.44 grams to 4.5 grams of gold , with the silver Dirham being created to the weight ratio of 7:10 , yielding coins from 3.11 to 3.15 grams of pure silver .
 None
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 None