[He said:] There is something on this topic from Anas.
[Abu 'Eisa said:] The Hadith of Jabir is a Hasan Sahih Hadith. This is acted upon according to the people of knowledge. There is no harm in a slave for two slaves in hand to hand exchange, but they differ when it is on credit.
In-book : Book 14, Hadith 39
English translation : Vol. 1, Book 12, Hadith 1239