All King Solomon's goblets were gold, and all the household articles in the Palace of the Forest of Lebanon were pure gold. Nothing was made of silver, because silver was considered of little value in Solomon's day.
The king had a fleet of trading ships manned by Hiram's men. Once every three years it returned, carrying gold, silver and ivory, and apes and baboons.
References for 2 Chronicles 9:21
King Solomon was greater in riches and wisdom than all the other kings of the earth.1
References for 2 Chronicles 9:22