Musannaf Ibn Abi Shayba 13:2952

Abu Bakr narrated to us, he said: Ziyad ibn al-Rabi' narrated to us, from Salih al-Dahhan, from Jabir ibn Zayd, that when a dirham would fall into his hand, he would break it. And he would say: "It is not lawful to deceive a Muslim with it."