Sunan Ibn Majah 1888
سنن ابن ماجه#1888Da'ifحَدَّثَنَا أَبُو عُمَرَ الضَّرِيرُ، وَهَنَّادُ بْنُ السَّرِيِّ، قَالاَ حَدَّثَنَا وَكِيعٌ، عَنْ سُفْيَانَ، عَنْ عَاصِمِ بْنِ عُبَيْدِ اللَّهِ، عَنْ عَبْدِ اللَّهِ بْنِ عَامِرِ بْنِ رَبِيعَةَ، عَنْ أَبِيهِ، أَنَّ رَجُلاً، مِنْ بَنِي فَزَارَةَ تَزَوَّجَ عَلَى نَعْلَيْنِ فَأَجَازَ النَّبِيُّ ـ صلى الله عليه وسلم ـ نِكَاحَهُ .
It was narrated from Abdullah bin Amir bin Rabiah from his father, that:A man among Banu Fazarah got married for a pair of sandals, and the Prophet permitted his marriage
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:
In-book reference: 9:44