The Source of Traditions on Imam al-Riḍā (Vol 2) · Hadith 490 (#Ḥadīth #21)

21 - حَدَّثَنا الحُسَيْنِ بْنِ أَحْمَدِ بْنِ إِبْراهيمِ بْنِ هِشامِالمكتب رَضِىَ اللهُ عَنْهُ قالَ: حَدَّثَنا عَلِىِّ بْنِهاشِم عَنْ أَبِيهِ عَنْ يَحْيَى بْنِ شار قالَ دَخَلْتُ عَلَى الرِّضَا a.sُ بَعْدَ مُضِيِّ أَبِيهِ a.sُ فَجَعَلْتُ أَسْتَفْهِمُهُ بَعْضَ مَا كَلَّمَنِي بِهِ فَقَالَ لِي نَعَمْ يَا سَمَاعُ فَقُلْتُ جُعِلْتُ فِدَاكَ كُنْتُ وَاللَّهِ أُلَقَّبُ بِهَذَا فِي صَبَايَ وَأَنَا فِي الْكُتَّابِ قَالَ فَتَبَسَّمَ فِي وَجْهِي.

47-21 Al-Husayn ibn Ahmad ibn Ibrahim ibn Hisham al-Mokattib - may God be pleased with him - narrated that Ali ibn Ibrahim ibn Hashem quoted on the authority of his father, on the authority of Al-Husayn ibn Bashshar, “I went to see Ar-Ridha’ after the demise of his father , and asked for explanation of some of the words which Ar-Ridha’ had told me. The Imam told me, ‘O Sama’! Fine.’ I said, ‘May I be your ransom! I swear by God that this was my nickname when I attended school in my childhood.’ The Imam just smiled at me.”

Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).