Sunan an Nasai
5178
Sahih+2

It was narrated from Ibn Hunain, the freed slave of 'Ali, that 'Ali said:"The Messenger of Allah [SAW] forbade me from four: Gold rings, wearing Al-Qassi, reciting Qur'an while I am bowing, and from wearing garments dyed with safflower

SahihAbu Ghuddah
SahihAl-Albani