Gold was Used for Shields
Source: TTT
2 Samuel 8:7
And David took the gold shields that belonged to the officers of Hadadezer and brought them to Jerusalem.
1 Kings 10:16, 17
King Solomon made two hundred large shields of hammered gold; six hundred shekels of gold went into each shield. / He also made three hundred small shields of hammered gold; three minas of gold went into each shield. And the king put them in the House of the Forest of Lebanon.