The finder of a thing is entitled to compensation for all expenses necessarily incurred by him in its preservation, and for any other service necessarily performed by him about it, and to a reasonable reward for keeping it.

Source: CivC 1877, § 1067; CL 1887, § 3691; RCivC 1903, § 1387; RC 1919, § 1010; SDC 1939, § 60.0204.