Sahih Muslim 2066
Sahih Muslim · Book 37: The Book of Clothes and Adornment · The Prohibition Of Using Vessels Of Gold And Silver For Men And Women, And Gold Rings And Silk For Men, But They Are Permissible For Women. Permissibility Of Silken Borders On Garments For Men, But It Should Not Be More Than Four Fingers Wide
وَحَدَّثَنَا إِسْحَاقُ بْنُ إِبْرَاهِيمَ ، حَدَّثَنَا يَحْيَى بْنُ آدَمَ ، وَعَمْرُو بْنُ مُحَمَّدٍ ، قَالاَ حَدَّثَنَا سُفْيَانُ ، عَنْ أَشْعَثَ بْنِ أَبِي الشَّعْثَاءِ ، بِإِسْنَادِهِمْ وَقَالَ وَإِفْشَاءِ السَّلاَمِ وَخَاتَمِ الذَّهَبِ . مِنْ غَيْرِ شَكٍّ .
This hadith has been narrated on the auttiniity of Ash'ath b. Sulaim with the same chain of transmitters but the words (pertaining to) Ifsha as-Salam and the (use) of gold ring have been reported without doubt.