And from him, from Ahmad ibn Muhammad, from Ali ibn al-Hakam, from Sayf ibn Amirah, from Ishaq ibn Ammar, who said:
I (narrator) asked Abu al-Hasan عليه السلام, peace be upon him, about ‘the charity of al-Fitrah.’ Imam عليه السلام said: “Dates are better.”
Ali Akbar al-Ghaffari
Tahdhīb al-Aḥkām fī Sharḥ al-Muqniʿah, vol. 4, p. 107