Sunan an-Nasa'i, Hadith 4925 ⓘ
It was narrated from 'Amrah that she heard 'Aishah say: "The hand of the thief is to be cut off for one-quarter of a Dinar or more."
أَخْبَرَنَا مُحَمَّدُ بْنُ الْعَلاَءِ، قَالَ حَدَّثَنَا ابْنُ إِدْرِيسَ، عَنْ يَحْيَى بْنِ سَعِيدٍ، عَنْ عَمْرَةَ، عَنْ عَائِشَةَ، قَالَتِ الْقَطْعُ فِي رُبُعِ دِينَارٍ فَصَاعِدًا .
also referenced under: Book 46, Hadith 56 (In-Book) & Volume 5, Book 46, Hadith 4929 (DarusSalam)