Hadith 1290
Jabir (may Allah be pleased with him) reports that the Messenger of Allah (peace and blessings be upon him) forbade muhaqala, muzabana , mukhabara , and making exceptions of certain things in a sale , unless the thing excepted is clearly specified. © Imam Tirmidhi says:
This hadith, in this manner, as narrated by Yunus bin Ubaid, who narrated from Ata, and Ata from Jabir, is Hasan Sahih Gharib.