Ishaq bin al-Muhtafiz the Bedouin said that a man broke another man's shin, and Sayyiduna Umar (may Allah be pleased with him) ruled a diyah (blood money) of eight camels for it.
The Shaykh said: The narrations on this differ, and he made this ruling by his own judgement.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الديات / 16335