Hemiobol

Issuer Istros
Year 340 BC - 313 BC
Type Standard circulation coin
Value Hemiobol = 1/2 obol = 1⁄12 Drachm
Currency Drachm
Composition Silver
Weight 0.5 g
Diameter 9 mm
Thickness
Shape Round (irregular)
Technique Hammered
Orientation Variable alignment ↺
Engraver(s)
In circulation to
Reference(s) HGC 3.2#1806
Obverse description Two facing male heads, the right inverted.
Obverse script
Obverse lettering
Reverse description Sea eagle facing left, grasping dolphin with talons.
Reverse script Greek
Reverse lettering ΙΣTPΙH T
(Translation: Istros)
Edge Plain
Mint
Mintage ND (340 BC - 313 BC) - -
Numisquare ID 4519683750
Additional information

Historical Context: This silver hemiobol was issued by Istros, a prominent Greek colony on the Pontic coast, during the late Classical to early Hellenistic period (340-313 BC). This era witnessed the profound geopolitical shifts initiated by Philip II and Alexander the Great, yet Istros maintained its economic vitality through Black Sea trade. The city's need for fractional currency to facilitate daily commerce and interaction with its Scythian hinterland underscores its enduring prosperity and strategic importance in a volatile region.

Artistry: While the specific engraver remains anonymous, this diminutive coin exemplifies the prevalent Greek stylistic conventions of its period, adapted for a minute canvas. The obverse is renowned for its distinctive design featuring two confronting male heads, one inverted, a motif often interpreted as representing river gods or the Dioscuri. The reverse typically displays an eagle grappling a dolphin, a powerful emblem signifying Istros's maritime dominion and its geographical relationship with the sea.

Technical/Grading: Given its minute dimensions (9 mm, 0.5 g), this hemiobol presents significant challenges in strike quality. Key high-points for preservation include the facial features and hair of the confronting heads on the obverse, and the eagle's head, wing details, and the dolphin's body on the reverse. A well-centered strike, with complete rendering of both obverse heads and the intricate eagle-dolphin motif, is exceptionally rare and highly valued, as these small flans often exhibit partial strikes or off-centering.

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