Hadith #5159 (Sunan al-Nasa'i)
Book: The Book of Adornment
Narrator(s): al-Nadr bin Shumayl al-Maazni النضر بن شميل المازني أبو الحسن النحوي, Byhs bin Fhdan al-Azdy al-Hna'iy بيهس بن فهدان, Ishaq bin Ibrahim bin Muhammad إسحاق بن إبراهيم بن محمد, Mu'awiya ibn Abu Sufyan

The Messenger of Allah  forbade wearing gold unless it was broken (into smaller pieces), and (he forbade) riding on Al-Mayathir.

Source: https://parallelquran.com/hadith/sunan-al-nasai-5159/

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Hadith #5160 (Sunan al-Nasa'i)
Book: The Book of Adornment
Narrator(s): Ali bin Gharab علي بن غراب, Byhs bin Fhdan al-Azdy al-Hna'iy بيهس بن فهدان, ibn Umar, Ziyad bin Ayoub - Dulwiyya زياد بن أيوب بن زياد دلويه

When a group of the Companions of Muhammad  forbade wearing gold unless it was broken (into smaller pieces)?” They said: “By Allah, yes.”

Source: https://parallelquran.com/hadith/sunan-al-nasai-5160/