3 how many carats is pure gold
50 the trophy for winning which american sporting event is eighty pounds
of sterling silver
58 which pieces were the first currency of the world and the basis of US
dollar and yuan
62 who or what is the murderer in sherlock holmes story Silver blaze.
thank you for any help
Both the US Dollar and Yuan are based on the Mexican Silver peso however this is not the oldest coin, but it in turn is based on the Spanish dollar or pices of eight.