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The follis (plural folles; Italian: follaro, Arabic: فلس, Fels) was a type of coin in the Roman and Byzantine traditions.

Roman coin

The term follis is used for a large bronze Roman coin denomination introduced by Diocletian in about 294. The term "nummus" is now thought to be the actual ancient term, but usage of "nummus" has not caught on. At first the follis weighed about 10 grams and was about 4% silver, with a thin layer of silver on the surface. Over the next decades it declined both in size and in silver content.

The word follis means bag (usually made of leather) in Latin, and there is evidence that this term was used in antiquity for a sealed bag containing a specific amount of coinage. It has also been suggested that the coin was named Follis because of the ancient Greek word "φολίς" meaning a thin layer of metal (cf. Latin folium, "leaf") which covers the surface of various objects, since originally, this coin had a thin layer of silver on top. The 'follis' of Diocletian, despite efforts to enforce prices with the Edict on Maximum Prices (301), was revalued and reduced as time passed. By the time of Constantine the Great, it was smaller and barely contained any silver. A series of Constantinian bronzes was introduced in the mid-4th century, although the specific denominations are unclear and debated by historians and numismatists. They are referred to as AE1, AE2, AE3 and AE4, with the first being the largest (near 27 mm) and the last the smallest (averaging 15 mm) in diameter. Namely:

Discoveries

Large hoards of folles have been discovered all across the Roman empire. For example, in Seaton Down, Devon, England, near the site of a second- to third-century Roman villa and fortifications, 22,888 folles were found in 2013. Fourth century folles represent the largest category of coin finds in the United Kingdom. Between 30,000 and 50,000 exceptionally well-preserved folles from the first half of the fourth century were discovered in the sea near the north-east shore of Sardinia in 2023.

Byzantine coin

The term "follis" is used for the large bronze coin denomination (40 nummi) introduced in 498, with the coinage reform of Anastasius, which included a series of bronze denominations with their values marked in Greek numerals.

The fals (a corruption of follis) was a bronze coin issued by the Umayyad and Abbasid caliphates beginning in the late 8th century, initially as imitations of the Byzantine follis.

See also

• Trifollaro, a medieval coin worth 3 folles
• Fals, Copper coin of Umayyads and Abbasids
• Falus, former Moroccan coin
• Fils, modern subdivision of certain Arab currencies

References

1. "Describing Ancient Coins – Roman Imperial Coins – the Late Empire". Ancient Greek and Roman Coins. Archived from the original on 6 October 2006. Retrieved 6 November 2023.
2. "Roman coin hoard, one of the largest found in UK, unearthed by builder". The Guardian. 26 September 2014. Retrieved 14 November 2023.
3. "An introduction to Roman coins". The Portable Antiquities Scheme - British Museum. Retrieved 6 November 2023.
4. Tondo, Lorenzo (6 November 2023). "Up to 50,000 Roman coins discovered off coast of Sardinia". The Guardian.

Sources

• Grierson, Philip (1999), Byzantine coinage (PDF), Dumbarton Oaks, ISBN 978-0-88402-274-9, archived from the original (PDF) on 13 June 2010
• Hendy, Michael F. (1985), Studies in the Byzantine Monetary Economy c.300–1450, Cambridge University Press, ISBN 0-521-24715-2
• Kazhdan, Alexander, ed. (1991). The Oxford Dictionary of Byzantium. Oxford and New York: Oxford University Press. ISBN 0-19-504652-8.

External links

• A close look at a follis by Doug Smith
• Follis Coin Catalog information and details
• Article from Forum coins

• Coins of ancient Rome
• Numismatics
• Coins of the Byzantine Empire
• 294