أَخْبَرَنَا قُتَيْبَةُ، قَالَ حَدَّثَنَا جَرِيرٌ، عَنْ مَنْصُورٍ، عَنْ عَطَاءٍ، وَمُجَاهِدٍ، عَنْ أَيْمَنَ، قَالَ لاَ يُقْطَعُ السَّارِقُ فِي أَقَلَّ مِنْ ثَمَنِ الْمِجَنِّ ‏.‏

It was narrated that Ayman said: "The (hand of) a thief is not to be cut off for less than the price of a shield." (Daif Mawquf) Translation Not Available

Book Ref: Sunan An Nisai Book 46 Hadith 4949
Web Ref:  Sunan An Nisai Vol 5 Book 46 Hadith 4952