1 Samuel 17:5 in the King James Version
And he had an helmet of brass upon his head, and he was armed with a coat of mail; and the weight of the coat was five thousand shekels of brass.
Context
4 A champion out of the camp of the Philistines named Goliath of Gath, whose height was six cubits and a span went out.
5 He had a helmet of bronze on his head, and he wore a coat of mail; and the weight of the coat was five thousand shekels of bronze.
6 He had bronze shin armor on his legs and a bronze javelin between his shoulders.