Sunan an-Nasa'i 4579
سنن النسائي#4579Sahihأَخْبَرَنَا مُحَمَّدُ بْنُ يَحْيَى بْنِ مُحَمَّدِ بْنِ كَثِيرٍ الْحَرَّانِيُّ، قَالَ حَدَّثَنَا أَبُو تَوْبَةَ، قَالَ حَدَّثَنَا مُعَاوِيَةُ بْنُ سَلاَّمٍ، عَنْ يَحْيَى بْنِ أَبِي كَثِيرٍ، عَنْ عَبْدِ الرَّحْمَنِ بْنِ أَبِي بَكْرَةَ، عَنْ أَبِيهِ، قَالَ نَهَانَا رَسُولُ اللَّهِ صلى الله عليه وسلم أَنْ نَبِيعَ الْفِضَّةَ بِالْفِضَّةِ إِلاَّ عَيْنًا بِعَيْنٍ سَوَاءً بِسَوَاءٍ وَلاَ نَبِيعَ الذَّهَبَ بِالذَّهَبِ إِلاَّ عَيْنًا بِعَيْنٍ سَوَاءً بِسَوَاءٍ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم " تَبَايَعُوا الذَّهَبَ بِالْفِضَّةِ كَيْفَ شِئْتُمْ وَالْفِضَّةَ بِالذَّهَبِ كَيْفَ شِئْتُمْ " .
It was narrated from 'Abdur-Rahman bin Abi Bakrah that his father said:"The Messenger of Allah forbade us from selling silver for silver unless it was of equal amounts, or selling gold for gold unless it was of equal amounts. The messenger of Allah said: 'Sell gold for silver however you want, and silver for gold however you want
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
In-book reference: 44:131