Sunan Abi Dawud 3427
سنن أبي داود#3427HasanNarrated Rafi' b. Khadij:The Messenger of Allah (ﷺ) forbade earnings of a slave-girl unless it is known from where it came
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniHasan
Muhammad Muhyi Al-Din Abdul HamidHasan Lighairihi
Zubair Ali ZaiHasan
In-book reference: 24:12