Aquesta ciutat és appellada Ssiras e antigament era appellade ciutat de Gràcia quar és aquella hon fo primerament atrobada stornomia per lo gran savi Tolomeu.

(eng)
This city is called Siras and formerly was called City of Grace, because it is the one where it was invented astronomy by the great sage Ptolemy

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Refers to the current Shiraz (Iran).
The symbol of the city is different from all the others.
This is inscribed in a circle which gives appearance of sphere