As for what was narrated by Muhammad bin Abi Umayr, who said: It was narrated to me from Abdullah (meaning Ibn Al-Mughirah), who raised it to Abu Abdullah عليه السلام, that:
Imam عليه السلام said: 'A kurr is 600 ratls.'
Ali Akbar al-Ghaffari
Tahdhīb al-Aḥkām fī Sharḥ al-Muqniʿah, vol. 1, p. 45
