Jamieson, Fausset and Brown on 2 Kings 12:11-12

11-12. they gave the money, being told, into the hands of them that did the work--The king sent his secretary along with an agent of the high priest to count the money in the chest from time to time (2Ch 24:11), and deliver the amount to the overseers of the building, who paid the workmen and purchased all necessary materials. The custom of putting sums of certain amount in bags, which are labelled and sealed by a proper officer, is a common way of using the currency in Turkey and other Eastern countries.