Musannaf Ibn Abi Shaybah 35232 — What they said on a man who does

Khalid bin Abi Imran (may Allah have mercy on him) said: I asked al-Qasim bin Muhammad (may Allah have mercy on him) and Salim bin Abdullah, both of them: "We have a slave who works as a potter in enemy territory. He then sells these vessels and a good deal of money accumulates with him, and he spends some of it on us as well." They said: "There is no harm in that."