Numbers 31:50

Overview - Numbers 31
The Midianites are spoiled, and Balaam slain.
13 Moses is wroth with the officers, for saving the women alive.
19 How the soldiers, with their captives and spoil, are to be purified.
25 The proportion in which the prey is to be divided.
48 The voluntary oblation unto the treasury of the Lord.
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Numbers 31:50  (King James Version)
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.

therefore brought
The officers of the army having mustered their men, found they had not lost a man in the contest with Midian! Penetrated with gratitude for this most remarkable interposition of Providence in their favour, they now offer to Jehovah the golden jewels which they had found among the spoil, to the amount of Numbers 31:16 Numbers 31:750 ; shekels, equal to 37,869 16s
5d. of our money.

an oblation
Psalms 107:15 Psalms 107:21 Psalms 107:22 ; Psalms 116:12 Psalms 116:17

Hebrew found. an atonement.
Exodus 30:12 Exodus 30:15 Exodus 30:16 ; Leviticus 17:11