قَالَ الْحَارِثُ بْنُ مِسْكِينٍ قِرَاءَةً عَلَيْهِ وَأَنَا أَسْمَعُ، عَنِ ابْنِ الْقَاسِمِ، قَالَ حَدَّثَنِي مَالِكٌ، عَنْ عَبْدِ اللَّهِ بْنِ مُحَمَّدِ بْنِ أَبِي بَكْرٍ، عَنْ عَمْرَةَ، قَالَتْ قَالَتْ عَائِشَةُ الْقَطْعُ فِي رُبُعِ دِينَارٍ فَصَاعِدًا ‏.‏

It was narrated that 'Amrah said: "Aishah said: 'Cutting off (the hand of the thief) is for one-quarter of a Dinar or more."' Translation Not Available

Book Ref: Sunan An Nisai Book 46 Hadith 4930
Web Ref:  Sunan An Nisai Vol 5 Book 46 Hadith 4934