30-41 (The author of the book narrated) my father - may God be pleased with him - narrated that Ahmad ibn Idris quoted on the authority of Muhammad ibn Ahmad ibn Yahya ibn Imran al-Ash’ari, on the authority of Musa ibn Umar, on the authority of Muhammad ibn Isma’il ibn Bazee’, “I saw Abil Hassan Al-Ridha (s) in the state of ritual consecration (wearing the ‘Ihram) with a ring on his finger.”