Question #151785. Asked by
pehinhota.
Last updated Oct 15 2024.
Originally posted Oct 14 2024 6:52 AM.
Under Alexios I, significant monetary reforms were implemented to address the declining quality of the Byzantine currency. In 1092, he discontinued the debased solidus (tetarteron and histamenon) and introduced a higher-quality gold coinage known as the hyperpyron. This new coin had a fineness of approximately .900-.950 and weighed 4.45 grams, though it was slightly smaller than its predecessor. Alongside the hyperpyron, he introduced two additional coins: the electrum aspron trachy, worth one-third of a hyperpyron and consisting of about 25% gold and 75% silver, and the billon aspron trachy (or stamenon), valued at 48 to the hyperpyron with a 7% silver wash. Copper coins, the tetarteron and noummion, were worth 18 and 36 of the billon aspron trachy, respectively.https://social.vcoins.com/twih/death-of-alexios-i-komnenos-august-15-1118-r443/
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