Presents were Given by Kings to Each Other in Token of Inferiority
Source: TTT
1 Kings 10:25
Year after year, each visitor would bring his tribute: articles of silver and gold, clothing, weapons, spices, horses, and mules.
2 Chronicles 9:23, 24
All the kings of the earth sought an audience with Solomon to hear the wisdom that God had put in his heart. / Year after year, each visitor would bring his tribute: articles of silver and gold, clothing, weapons, spices, horses, and mules.
Psalm 72:10
May the kings of Tarshish and distant shores bring tribute; may the kings of Sheba and Seba offer gifts.