´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."
Hadith ReferenceSunan an-Nasa'i / The Book of Financial Transactions / Hadith: 4576
Hadith Gradingالألبانی:صحيح | زبیر علی زئی:إسناده صحيح
Hadith Takhrij«تفرد بہ النسائي (تحفة الأشراف: 10953)، موطا امام مالک/البیوع 16 (33)، مسند احمد (6/448) (صحیح)»