In the narration of Sayyiduna Hasan bin Ali (may Allah be pleased with them both), it is mentioned that I picked up a date from the zakat dates, and this date was from the tenth or twentieth part of the obligatory zakat of dates.
Hadith Referenceصحيح ابن خزيمه / جماع أبواب قسم الصدقات وذكر أهل سهمانها / 2351