Tetrobol

Issuer Ainos (Thrace)
Year 370 BC - 367 BC
Type Standard circulation coin
Value Tetrobol (⅔)
Currency Drachm
Composition Silver
Weight 2.46 g
Diameter 14 mm
Thickness
Shape Round (irregular)
Technique Hammered, Incuse
Orientation Variable alignment ↺
Engraver(s)
In circulation to
Reference(s) May Ainos#
Obverse description Head of Hermes facing slightly left, wearing petasos.
Obverse script
Obverse lettering
Reverse description Goat standing right; to right, head of ram right; all within shallow incuse square with rounded corners.
Reverse script Greek
Reverse lettering ΑΙΝΙΟΝ
Edge
Mint
Mintage ND (370 BC - 367 BC) - -
Numisquare ID 7529566880
Additional information

Historical Context: This silver tetrobol, issued by the Thracian city of Ainos between 370 and 367 BC, originates from a period of regional flux in the late Classical Greek era. Strategically positioned at the Hebros River mouth, Ainos was a vital maritime trading hub. During these years, the city maintained autonomy amidst shifting power dynamics. The consistent production of high-quality silver coinage like this tetrobol attests to Ainos' economic prosperity and active participation in the broader Hellenic commercial network.

Artistry: While the specific engraver remains anonymous, the artistry of this tetrobol exemplifies the refined Late Classical Greek style prevalent in the early to mid-4th century BC. The obverse typically features a finely rendered head of Hermes, often wearing a petasos, showcasing idealized form and emerging naturalism. The reverse commonly depicts a goat, a symbol associated with Thracian regions, or a caduceus. The execution demonstrates a sophisticated understanding of proportion and detail, indicative of Ainos' skilled die-cutters.

Technical/Grading: Weighing 2.46 grams and measuring 14 millimeters, this tetrobol adheres to standard specifications. For grading, key high-points on the obverse Hermes head include the forehead, nose, chin, and the details of the petasos, particularly its wings. A strong strike exhibits full, sharp detail in these areas, as well as on the hair and facial features. On the reverse, assuming a goat motif, the horns, eyes, and musculature are critical points. Excellent examples show a well-centered strike on a round, evenly prepared flan, with minimal die wear.

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