Praise be to Allah,
Hushaym narrated to us from Humayd at-Taweel who said that he had heard Anas ibn Maalik say,
“I saw the ring of the Messenger of Allah (PBUH) and it was made of silver.”
(Musnad Ahmad, 3, p. 99. This Hadeeth is saheeh, and its transmitters are trustworthy ‘thiqaat’.)
Source:
Thulaathiyyaat Musnad Ahmad ibn Hanbal (may Allah have mercy on him)
Reports of Imaam Ahmad that have only three narrators between him and the Prophet, peace, and blessings be upon him.
Shaykh Muhammad ibn Ahmad ibn Saalim as–Saffaareenee al–Hanbalee ~(1114 –1188 AH)