The aureus, the gold coin currency used in ancient Rome, was issued by Brutus and his friends a year or two after they assassinated Roman ruler Caesar in 44 BC, he said. The coin, which weighs ...

The aureus, the gold coin currency used in ancient Rome, was issued by Brutus and his friends a year or two after they assassinated Roman ruler Caesar in 44 BC, he said. The coin, which weighs eight ...