(47) باب بَيْعِ الذَّهَبِ بِالذَّهَبِ
It was narrated from 'Ata' bin Yasir that:
Muawiyah sold a cup of gold or silver for more than its weight. Abu Ad-Darda' said: "I heard the Messenger of Allah forbid such transactions unless it was like for like."
Reference: Sunan an-Nasa'i 4572
In-book reference: Book 44, Hadith 124
English translation: Vol. 5, Book 44, Hadith 4576