カタログ
| 発行体 | Istros |
|---|---|
| 年号 | 450 BC - 350 BC |
| 種類 | Standard circulation coin |
| 額面 | Trihemiobol (1/4) |
| 通貨 | Drachm |
| 材質 | Silver |
| 重量 | 1.3 g |
| 直径 | 11 mm |
| 厚さ | 2 mm |
| 形状 | Round (irregular) |
| 製造技法 | Hammered, Incuse |
| 向き | |
| 彫刻師 | |
| 流通終了年 | |
| 参考文献 | GCV#1670 |
| 表面の説明 | 2 Young facing male heads, 1 inverted. |
|---|---|
| 表面の文字体系 | |
| 表面の銘文 | |
| 裏面の説明 | Sea-eagle left, grasping dolphin with talons. |
| 裏面の文字体系 | Greek |
| 裏面の銘文 | ΙΣTPΙH |
| 縁 | Rough |
| 鋳造所 | |
| 鋳造数 |
ND (450 BC - 350 BC) - - |
| Numisquare ID | 8649482760 |
| 追加情報 |
Historical Context: This Trihemiobol was issued by Istros, an ancient Greek city-state strategically located on the Black Sea coast at the mouth of the Danube (Ister) River. Founded by Milesian colonists around 650 BC, Istros flourished as a vital trading emporium, connecting the Greek world with the Thracian and Scythian hinterlands. The coin's production period, spanning a century from 450 to 350 BC, places it firmly within the Classical Greek era, a period of significant economic growth and independent city-state coinage. The continuous minting of these silver fractions underscores Istros's consistent economic activity and its role in regional commerce, facilitating daily transactions for a diverse populace.
Artistry: The Trihemiobol from Istros is renowned for its distinctive obverse design featuring two confronting male heads, inverted relative to each other. While no specific engraver is known, the stylistic execution belongs to the Early to High Classical Greek tradition, characterized by robust forms and idealized representations. These heads are often interpreted as representations of the Dioscuri, or possibly local river gods, notably the Ister. The reverse typically displays an eagle clutching a dolphin, a potent symbol of Istros's maritime power and divine protection, with the eagle representing Zeus and the dolphin associated with Poseidon. The small flan size required considerable skill from the die-cutters to render these complex motifs clearly.
Technical/Grading: This silver Trihemiobol, weighing 1.3 grams and measuring 11 millimeters, is a fractional denomination. For optimal grading, collectors seek a full strike that clearly delineates the facial features of both confronting heads on the obverse, including noses, chins, and forehead contours, which are typically the highest points and prone to wear. On the reverse, strong details on the eagle's feathers, head, and breast, along with the dolphin's form and fins, are crucial. Given the small planchet, minor off-centering is not uncommon, but a well-centered strike that captures the entirety of both designs without significant planchet flaws is highly desirable.