Constans II — Decanummium (Constantinople, 659–660), Decanummium, Copper, struck at Constantinople, 659–660 AD. Weight about 1.7 g, diameter 14.3 mm.
| mint | Constantinople | weight | 1.67g (3) |
| ruler | Constans II | diameter | ⌀14.3 (3) |
| denomination | Decanummium | axis | ↕ (0) |
| material | Copper | technique | — |
| country | Byzantine | dataset |
Dumbarton Oaks — Byzantine coins
© Dumbarton Oaks — non-commercial use with attribution |
specimens (3)
Dumbarton Oaks — Byzantine coins
1.32g
⌀12.0
Dumbarton Oaks — Byzantine coins
2.53g
⌀16.0
Dumbarton Oaks — Byzantine coins
1.15g
⌀15.0
Cite this coin
Constans II — Decanummium (Constantinople, 659–660) (BZC.BZC.1972.23), 659–660 AD. Corpus Apertum Nummorum Orbis Antiqui (CANOA). https://canoanumis.org/coins/constans-ii-decanummium-constantinople-659660/ (accessed: 2026-10-07). Full citation guidance: How to cite CANOA