The tornesel, tornesol, or was a

silver Silver is a chemical element with the symbol Ag (from the Latin ', derived from the Proto-Indo-European ''h₂erǵ'': "shiny" or "white") and atomic number 47. A soft, white, lustrous transition metal, it exhibits the highest electrical ...

coin of Europe in the

Late Middle Ages The Late Middle Ages or Late Medieval Period was the period of European history lasting from AD 1300 to 1500. The Late Middle Ages followed the High Middle Ages and preceded the onset of the early modern period (and in much of Europe, the Renai ...

and the early modern era. It took its name from the ', the of

Tours Tours ( , ) is one of the largest cities in the region of Centre-Val de Loire, France. It is the prefecture of the department of Indre-et-Loire. The commune of Tours had 136,463 inhabitants as of 2018 while the population of the whole metro ...

. Marco Polo referred to the tornesel in recounts of his travels to East Asia when describing the currencies of the

Yuan Empire The Yuan dynasty (), officially the Great Yuan (; xng, , , literally "Great Yuan State"), was a Mongol-led imperial dynasty of China and a successor state to the Mongol Empire after its division. It was established by Kublai, the fifth ...

Henry Yule Sir Henry Yule (1 May 1820 – 30 December 1889) was a Scottish Orientalist and geographer. He published many travel books, including translations of the work of Marco Polo and ''Mirabilia'' by the 14th-century Dominican Friar Jordanus. ...

''The Travels of Marco Polo: The Complete Yule-Cordier Edition''
Third edition (1903), revised and updated by

Henri Cordier Henri Cordier (8 August 184916 March 1925) was a French linguist, historian, ethnographer, author, editor and Orientalist. He was President of the Société de Géographie (French, "Geographical Society") in Paris.bezant In the Middle Ages, the term bezant (Old French ''besant'', from Latin ''bizantius aureus'') was used in Western Europe to describe several gold coins of the east, all derived ultimately from the Roman ''solidus''. The word itself comes from th ...

= 20 groats = tornesel. The ' was a subunit of the Neapolitan, Sicilian, and

Two Sicilies ducat The ducat was the main currency of the Kingdom of the Two Sicilies between 1816 and 1860. When the Congress of Vienna created the kingdom merging the Kingdom of Naples and the Kingdom of Sicily, the ducat became at par a continuation of the Neapol ...

References

Medieval Italy Medieval currencies Coins of Italy Silver coins {{coin-stub