Gold was Used for Vessels
Source: TTT
1 Kings 10:21
All King Solomon’s drinking cups were gold, and all the utensils of the House of the Forest of Lebanon were pure gold. There was no silver, because it was accounted as nothing in the days of Solomon.
Esther 1:7
Beverages were served in an array of goblets of gold, each with a different design, and the royal wine flowed freely, according to the king’s bounty.