Constantine IV — Decanummium (Constantinople, 684–685), Decanummium, Copper, struck at Constantinople, 684–685 AD. Weight about 4.0 g, diameter 20.0 mm.
| mint | Constantinople | weight | 3.99g (1) |
| ruler | Constantine IV | diameter | ⌀20.0 (1) |
| denomination | Decanummium | 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
3.99g
⌀20.0
Cite this coin
Constantine IV — Decanummium (Constantinople, 684–685) (BZC.BZC.1970.27.12), 684–685 AD. Corpus Apertum Nummorum Orbis Antiqui (CANOA). https://canoanumis.org/coins/constantine-iv-decanummium-constantinople-684685/ (accessed: 2026-10-08). Full citation guidance: How to cite CANOA