Abdullah bin Amr bin Rabi'ah narrated from his father:"A woman from Banu Fazarah was married for (the dowry of) two sandals. So the Messenger of Allah said to her: 'Do you approve of (exchanging) yourself and your wealth for two sandals?' She said: 'Yes.'" He said: "So he permitted it

English translation · Jami' at-Tirmidhi