Any person who shall discover to the trustees any secreted effects, property or things in action, belonging to such debtor, so that they shall be recovered by them, shall be entitled to ten dollars on the hundred dollars, and at that rate, on the value of the effects so discovered, to be paid by the trustees, out of the estate of such debtor; but this section shall not extend to persons who have such property, effects or things, in their own possession.
New York Legal Code