"Dinar for Dinar Dirham for Dirham, no difference between them."
Sunan an-Nasa'i Book 44, Hadith 119
← Previous Hadith "I heard the Messenger of Allah say: 'Gold, equal amount."' (One of the narrators) Yaqub did not mention: "Equal amount." Muawiyah said: "This does not mean anything." 'Ubadah said; "By Allah I do not care if I am in a land where Muawiyah is not present. I bear witness that I heard the Messenger of Allah say that."

Sunan an-Nasa'i Book 44, Hadith 118 Next Hadith → "Umar said: Dinar for Dinar, Dirham for Dirham, no difference between them, this is the obligation that our Prophet enjoined upon us."

Sunan an-Nasa'i Book 44, Hadith 120