The Sufficient (Vol 5) · Hadith 1422 (#Ḥadīth #6)
Chapter 45 | The Sunnah about Mahr
6- وَرَوَى حَمَّادٌ عَنْ إِبْرَاهِيمَ بْنِ أَبِي يَحْيَى عَنْ أَبِي عَبْدِ اللهِ قَالَ وَكَانَتِ الدَّرَاهِمُ وَزْنَ سِتَّةٍ يَوْمَئِذٍ.
6. And Hammad has narrated from Ibrahim ibn abu Yahya who has said the following: “Abu ‘Abd Allah , has said, ‘The weight of dirham in those days was six.’”
Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).