LessonsBab al-Sarf: Mixed Currency Exchanges, Debased Coins and ObsolescenceQuiz

وَمَنْ بَاعَ دِرْهَمَيْنِ وَدِينَارًا بِدِينَارَيْنِ وَدِرْهَمٍ جَازَ الْبَيْعُ
Translation: A sale of 2 dirhams and 1 dinar for 2 dinars and 1 dirham is valid.
One side contains two silver dirhams and one gold dinar; the other contains two gold dinars and one silver dirham. Each metal appears in differing quantities, but the Quduri validates the composite sale. The legal allocation that explains this result follows.

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The first mixed dirham–dinar exchange

Bab al-Sarf: Mixed Currency Exchanges, Debased Coins and Obsolescence

وَمَنْ بَاعَ دِرْهَمَيْنِ وَدِينَارًا بِدِينَارَيْنِ وَدِرْهَمٍ جَازَ الْبَيْعُ
Translation: A sale of 2 dirhams and 1 dinar for 2 dinars and 1 dirham is valid.
One side contains two silver dirhams and one gold dinar; the other contains two gold dinars and one silver dirham. Each metal appears in differing quantities, but the Quduri validates the composite sale. The legal allocation that explains this result follows.