Newell Demetrius Poliorcetes, no. 137, Tetradrachm, Silver, struck at Uncertain value, 291–290 BC. Obverse: head of demetrius right with diadem and bull's horn. Reverse: poseidon seated left on rock holding aplustra and trident. Weight about 17.2 g, diameter 27.0 mm.
| mint | Uncertain value | weight | 17.15g (1) |
| ruler | Demetrius I Poliorcetes | diameter | ⌀27.0 (1) |
| denomination | Tetradrachm | axis | ↕ (0) |
| material | Silver | technique | — |
| country | Greece | dataset |
AGCO — Antigonid Coins Online
ODC-ODbL |
obverse
Head of Demetrius right with diadem and bull's horn
reverse
Poseidon seated left on rock holding aplustra and trident
specimens (1)
Museum of Fine Arts, Boston
17.15g
⌀27.0
Cite this coin
Newell Demetrius Poliorcetes, no. 137 (newell.demetrius.137), 291–290 BC. Corpus Apertum Nummorum Orbis Antiqui (CANOA). https://canoanumis.org/coins/newell-demetrius-poliorcetes-no-137/ (accessed: 2026-09-13). Full citation guidance: How to cite CANOA