Numbers 31:54

31:54 So Moses and Eleazar the priest received the gold from the commanders of thousands and commanders40 of hundreds and brought it into the tent of meeting as a memorial41 for the Israelites before the Lord.

40	tn The Hebrew text does not repeat the word “commanders” here, but it is implied.
41	tn The purpose of the offering was to remind the Lord to remember Israel. But it would also be an encouragement for Israel as they remembered the great victory.