Sahih al-Bukhari 5150
صحيح البخاري#5150Sahihحَدَّثَنَا يَحْيَى، حَدَّثَنَا وَكِيعٌ، عَنْ سُفْيَانَ، عَنْ أَبِي حَازِمٍ، عَنْ سَهْلِ بْنِ سَعْدٍ، أَنَّ النَّبِيَّ صلى الله عليه وسلم قَالَ لِرَجُلٍ " تَزَوَّجْ وَلَوْ بِخَاتَمٍ مِنْ حَدِيدٍ ".
Narrated Sahl bin Sa`d:The Prophet (ﷺ) said to a man, "Marry, even with (a Mahr equal to) an iron ring
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
Every narration in Sahih al-Bukhari is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 67:85