Numbers 16:38

16:38 The censers of these sinners against their own souls, let them make them broad plates [for] a covering of the altar: for they offered them before the LORD, therefore they are hallowed: and they shall be a sign unto the children of Israel.

Numbers 31:50

31:50 We have therefore brought an oblation for the LORD, what every man hath gotten, of jewels of gold, chains, and bracelets, rings, earrings, and tablets, to make an atonement for our souls before the LORD.