الكافي- ط الاسلامية, volume 5, page 249

18. Ali ibn Ibrahim has narrated from his father from ibn abu ‘Um ay r from Hammad from al-Halabiy who has said the following: “Abu ‘Abd Allah (a.s.), has said, ‘My father purchased a piece of land and stipulated with the owner to pay him wariq (dirham) and dinar for ten dirham.”’

Translation: Muhammad Sarwar — attributed by Thaqalayn·The Arabic above is the original.

19. A number of our people have narrated from Ahmad ibn Muhammad from al-Husayn ibn Sa‘id from Fadalah from abu al-Mighra’ from abu Basir who has said the following: “I once said to abu ‘Abd Allah (a.s.), ‘I go to the money changer with dirhams and buy from him dinars. He weighs for me more than my right. I then at the same place buy from him with it dirhams. He (the Imam) said, ‘It is not unlawful but do not weigh less than your right.’”

Translation: Muhammad Sarwar — attributed by Thaqalayn·The Arabic above is the original.

20. Muhammad ibn Yahya has narrated from Ahmad ibn Muhammad from Muhammad ibn ‘Isma’il from Muhammad ibn al-Fudayl from abu al-Sabbah al-Kinaniy who has said the following: “This is concerning my question before abu ‘Abd Allah (a.s.), about the case of a man who said to a jeweler, ‘Make for me this ring in exchange for one fresh dirham with one mixed dirham.’ He (the Imam) said, ‘It is not unlawful.’”

Translation: Muhammad Sarwar — attributed by Thaqalayn·The Arabic above is the original.

21. Ali ibn Ibrahim has narrated from his father from ‘Abd Allah ibn al-Mughirah from ‘Abd Allah ibn Sinan who has said the following: “This is concerning my question before abu ‘Abd Allah (a.s.), about buying gold in which there was silver, mercury and soil in exchange for dinars and wariq (dirham). He (the Imam) said, ‘You must not change except with wariq (dirham).’ I then asked him (the Imam) about buying silver in which there was lead and wariq (dirham). If it was pure it was reduced by two or three dirhams of each ten. He (the Imam) said, ‘It is not valid except for gold.’”

Translation: Muhammad Sarwar — attributed by Thaqalayn·The Arabic above is the original.

22. A number of our people have narrated from Ahmad ibn Muhammad from al-FIusayn ibn Sa‘id from ‘Abd Allah ibn Yahya from ibn Muskan from abu ‘Abd Allah, Mawla “Abd Rabbihi who has said the following: “This is concerning my question before abu ‘Abd Allah (a.s.), about the case of a substance that was taken from the mine in which there were gold, silver and zinc. How could we buy it? He (the Imam) said, ‘You can buy it with both gold and silver.’”

Translation: Muhammad Sarwar — attributed by Thaqalayn·The Arabic above is the original.

23. Ahmad ibn Muhammad has narrated from al-Husayn ibn Sa‘id from Hammad ibn ‘Isa from Shu’ayb al-‘Aqarqufiy from abu Basir who has said the following: “This is concerning my question before abu ‘Abd Allah (a.s.), about selling the sword decorated with cash (gold or silver). He (the Imam) said, ‘It is not unlawful.’ I then asked about selling on credit. He (the Imam) said, ‘If what is sold for cash is like what it is for its silver, then is not unlawful; or give foodstuff.’”

Translation: Muhammad Sarwar — attributed by Thaqalayn·The Arabic above is the original.