أَخْبَرَنَا قُتَيْبَةُ، قَالَ حَدَّثَنَا سُفْيَانُ، عَنْ يَحْيَى بْنِ سَعِيدٍ، وَعَبْدِ، رَبِّهِ وَرُزَيْقٍ صَاحِبِ أَيْلَةَ أَنَّهُمْ سَمِعُوا عَمْرَةَ عَنْ عَائِشَةَ قَالَتِ الْقَطْعُ فِي رُبُعِ دِينَارٍ فَصَاعِدًا ‏.‏

It was narrated from 'Amrah that '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 4926
Web Ref:  Sunan An Nisai Vol 5 Book 46 Hadith 4930