The Book of Characteristics · Hadith 828 (#Ḥadīth #2)

7-18 حدثنا أبي رضي الله عنه قال: حدثنا علي بن إبراهيم بن هاشم، عن أبيه عن ابن أبي عمير، عن عبد الله بن بكير، عن زرارة قال: رأيت أبا عبد الله عليه السلام وسمعته استفتح الصالة بسبع تكبيرات ولاء

7-18 (The compiler of the book narrated) that his father - may God be pleased with him - narrated that Ali ibn Ibrahim ibn Hashim quoted on the authority of Ibn Abi Umayr, on the authority of Abdullah ibn Bakir that Zurarah said, “I saw Aba Abdullah as-Sadiq (MGB) and heard him start his prayer with seven continuous Takbirs (saying God is Great).”

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