Editing Tahmasp I (section)

== Coinage ==
[[File:Coin of Tahmasp I, minted in Shiraz.jpg|left|thumb|Gold coin of Tahmasp I, minted in [[Shiraz]], dated 1523/4.]]

Tahmasp I's coins were characterised by the region they were minted in. The {{Transliteration|Ota|[[akçe]]}} was used in Shirvan; in [[Mazandaran province|Mazandaran]], {{Transliteration|Fa|tanka}} was minted, and [[Safavid Khuzestan|Khuzestan]] used the {{Transliteration|Fa|[[Larin (currency)|larin]]}} currency. By the 1570s, most of these autonomous monetary were unified.{{Sfn|Akopyan|2021|p=295}} The weight of the ''shahi''{{Efn|''Shahi'' was the name of the Safavid silver coins, initially weighting {{convert|4.6|g}} during the reign of Ismail I.{{sfn|Album|Bates|Floor|1992}}}} coins decreased significantly from {{Convert|7.88|g}} at the beginning of Tahmasp's reign to {{Convert|2.39|g}} in the western parts of the realm and {{Convert|2.92|g}} in the east at the end.{{Sfn|Akopyan|2021|p=295}} These weight reductions were the results of Ottoman and Uzbek invasions as well as the Ottoman trade ban which had a devastating impact on trade, and thus on the shah's revenues. According the Venetian Michel Membré, no merchant could have travelled to Iran through Ottoman borders without permission from the sultan. All travellers were stopped and arrested if they had no royal permit.{{Sfn|Matthee|Floor|Clawson|2013|p=101–102}}

In his coins, [[Arabic]] is no longer the only language used, in his {{Transliteration|Ar|[[fals]]}} (''folus-i shahi'') coins, the phrase "May be eternally [condemned] to the damnation of God / He, who alters [the rate of] the royal folus" is minted in [[Persian language|Persian]]. Old copper coins were released anew with the [[countermark]]s ''folus-i shahi'', '''adl-e shahi'', etc. that showed their new value.{{Sfn|Akopyan|2021|p=295}}