Narrated by Sayyiduna Abu Hurairah (may Allah be pleased with him) that the Noble Prophet (peace and blessings be upon him) said: At the time of sale, gold for gold, silver for silver, and silver coin for silver coin should be equal and hand to hand; whoever gives or demands more has engaged in usury.
Hadith Takhrij«أخرجه مسلم: 1588 ، (انظر مسند أحمد ترقيم الرسالة: 9639 ترقیم بيت الأفكار الدولية: 9637»
Brief Explanation
Benefits: … "Waraq" is the silver that has been minted into coins; "fiddah" also refers to silver, but the difference is that its usage applies to both coined and uncoined silver.