Sayyiduna Zayd bin Thabit (may Allah be pleased with him) said that the Messenger of Allah (peace and blessings be upon him) "permitted the 'araya sale for fresh or dried dates," and he (peace and blessings be upon him) did not permit anything other than that.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب البيوع / 10669
Sayyiduna Zayd bin Thabit (may Allah be pleased with him) said that the Messenger of Allah (peace and blessings be upon him) "granted a concession and permitted, in the 'araya sale, dried dates and fresh dates, and did not grant a concession in anything other than that."
Hadith Referenceالسنن الكبرى للبيهقي / كتاب البيوع / 10670
Kharijah bin Zayd bin Thabit narrates from his father (may Allah be pleased with him) that the Messenger of Allah (peace and blessings be upon him) "permitted dried dates for fresh dates, that is, in the 'araya sale."
Hadith Referenceالسنن الكبرى للبيهقي / كتاب البيوع / 10671