- Byzantine, concave, billon coins, sometimes even made of pure copper. They were first issued by Alexios I Komnenos (1081-1118 CE) and were equal to 1/48 of the hyperperon or 100 nummi.
- Amandry, Dhénin, Popoff, Thierry, & Vellet 2002
- Katsiadakis Helen (AA)
- Iakovidou Athena (AA)
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Created 2020-04-23, last modified 2020-06-03