Genesis 43:12

Take double money, double to what you carried last, either to procure more corn, which may prevent the frequency of such perilous journeys; or because the continuance and increase of the scarcity had advanced the price. Carry it again, for it is their money, not ours, and therefore must be restored. Peradventure it was an oversight, either in you, or in the receiver of your money, who through multitude of buyers, and haste in his business, might easily be mistaken.