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Hyperpyron


The hyperpyron (Greek: νόμισμα ὑπέρπυρον nómisma hypérpyron) was a Byzantine coin in use during the late Middle Ages, replacing the solidus as the Byzantine Empire's gold coinage.

Contents

History


The traditional gold currency of the Byzantine Empire had been the solidus or nomisma, whose gold content had remained steady at 24 carats for seven centuries and was consequently highly prized. From the 1030s, however, the coin was increasingly debased, until in the 1080s, following the military disasters and civil wars of the previous decade, its gold content was reduced to almost zero.[1] Consequently, in 1092, Emperor Alexios I Komnenos (r. 1081–1118) undertook a drastic overhaul of the Byzantine coinage system and introduced a new gold coin, the hyperpyron (meaning "super-refined"). This was of the same standard weight (4.45 grams) as the solidus, but of less gold content (20.5 carats instead of 24) due to the recycling of earlier debased coins.[2]

The hyperpyron remained the standard gold coin until gold coins ceased to be minted by the Byzantines in the mid-14th century. It too, however, was subject to gradual debasement: under the Empire of Nicaea (1204–1261), its gold content fell gradually to 18 carats, under Michael VIII Palaiologos (r. 1259–1282) to 15 and under his son and successor Andronikos II Palaiologos (r. 1282–1328) to 12 carats. At the same time, the quality of the coins declined as well, and in the 14th century, their weight was far from uniform.[3] The last hyperpyra, and thus the last Byzantine gold coins, were struck by Emperor John VI Kantakouzenos (r. 1347–1352). The name remained in use thereafter solely as a money of account, divided into 24 keratia.[4]

The name was adopted in various forms by Western Europeans (Latin: perperum, Italian: perpero) and the Slavic countries of the Balkans (perper, iperpero, etc.) designating various coins, usually silver, as well as moneys of account.[5] More often in the West the hyperpyron was called the bezant, especially among Italian merchants.

In the early Komnenian period, the hyperpyron was the equivalent of three electrum trachea, 48 billon trachea or 864 copper tetartera, although with the debasement of the trachea it eventually came to rate 12 electrum trachea and 288 to 384 billon trachea.[6] In the 14th century, the hyperpyron equalled 12 of the new silver basilika, 96 tournesia, 384 copper trachea and 768 copper assaria.[7]

See also


References


  1. ^ Grierson 1999, p. 10.
  2. ^ Grierson 1999, p. 11; Kazhdan 1991, p. 964.
  3. ^ Grierson 1999, pp. 11–12.
  4. ^ Grierson 1999, p. 12; Kazhdan 1991, pp. 964–965.
  5. ^ Kazhdan 1991, p. 965.
  6. ^ Grierson 1999, p. 44.
  7. ^ Grierson 1999, p. 45.

Sources


Further reading









Categories: Gold coins | Coins of the Byzantine Empire | Alexios I Komnenos




Information as of: 01.07.2020 07:46:05 CEST

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