Sahih al-Bukhari
Sahih al-Bukhari 2175
حَدَّثَنَا صَدَقَةُ بْنُ الْفَضْلِ، أَخْبَرَنَا إِسْمَاعِيلُ ابْنُ عُلَيَّةَ، قَالَ حَدَّثَنِي يَحْيَى بْنُ أَبِي إِسْحَاقَ، حَدَّثَنَا عَبْدُ الرَّحْمَنِ بْنُ أَبِي بَكْرَةَ، قَالَ قَالَ أَبُو بَكْرَةَ ـ رضى الله عنه ـ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم " لاَ تَبِيعُوا الذَّهَبَ بِالذَّهَبِ إِلاَّ سَوَاءً بِسَوَاءٍ، وَالْفِضَّةَ بِالْفِضَّةِ إِلاَّ سَوَاءً بِسَوَاءٍ، وَبِيعُوا الذَّهَبَ بِالْفِضَّةِ وَالْفِضَّةَ بِالذَّهَبِ كَيْفَ شِئْتُمْ ".
Sadaqa ibn al-Fadl narrated to us: Ismail ibn Ulayya informed us; he said: Yahya ibn Abi Ishaq narrated to me: Abd al-Rahman ibn Abi Bakra narrated to us; he said: Abu Bakra, may Allah be pleased with him, said that the Messenger of Allah said: “Do not sell gold for gold except equal for equal, or silver for silver except equal for equal. You may sell gold for silver, or silver for gold, however you wish.”
Translation notes
The report requires equal exchange for the same metal, but permits gold and silver to be exchanged across types however the parties wish.