[He said:] There is something on this from Umm Salamah.
[Abu 'Eisa said:] The Hadith of Ibn 'Abbas is a Hasan Hadith. This is how it was reported from Yahya bin Abi Kathir from 'Ikrimah, from Ibn 'Abbas, from the Prophet (ﷺ).
Khalid bin Al-Hadh-dha' reported it from 'Ikrimah, from 'Ali as his saying.
This is acted upon according to some of the people of knowledge among the Companions of the Prophet (ﷺ) and others.
Most of the people of knowledge among the Companions of the Prophet (ﷺ) and others said that the Mukatab remains a slave as long as he still owes a Dirham. This is the view of Sufyan Ath-Thawri, Ash-Shafi'i, Ahmad, and Ishaq.
In-book : Book 14, Hadith 61
English translation : Vol. 1, Book 12, Hadith 1259