Tunisian rial
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The rial (also called the rial sebili or piastre in French) was the currency of Tunisia until 1891. It was subdivided into 16 kharub (caroub), each of 13 fals (burbe). The fals was further subdivided into 6 qafsi (burben). The nasri (asper) was worth 2 fals.
In 1887, the gold content of the 25 rial coin was slightly reduced to make it equivalent to 15 French francs. In 1891, this conversion rate (more conveniently expressed as 1 rial = 60 centimes) was used when the Tunisian franc replaced the rial.