Alexios I Komnenos — Tetarteron Noummion (Uncertain Mint, 1081), Tetarteron Noummion, Copper, struck at Uncertain Mint, 1081–1081 AD. Weight about 4.3 g, diameter 17.0 mm.
| mint | Uncertain Mint | weight | 4.27g (1) |
| ruler | Alexios I Komnenos | diameter | ⌀17.0 (1) |
| denomination | Tetarteron Noummion | axis | ↕ (0) |
| material | Copper | technique | — |
| country | Byzantine | dataset |
Dumbarton Oaks — Byzantine coins
© Dumbarton Oaks — non-commercial use with attribution |
specimens (1)
Dumbarton Oaks — Byzantine coins
4.27g
⌀17.0
Cite this coin
Alexios I Komnenos — Tetarteron Noummion (Uncertain Mint, 1081) (BZC.BZC.1960.88.5607), 1081–1081 AD. Corpus Apertum Nummorum Orbis Antiqui (CANOA). https://canoanumis.org/coins/alexios-i-komnenos-tetarteron-noummion-uncertain-mint-1081/ (accessed: 2026-09-14). Full citation guidance: How to cite CANOA