Triobol

Issuer Selymbria
Year 425 BC - 410 BC
Type Standard circulation coin
Value Triobol (1/2)
Currency Drachm
Composition Silver
Weight 1.62 g
Diameter 11.5 mm
Thickness
Shape Round (irregular)
Technique Hammered
Orientation Variable alignment ↺
Engraver(s)
In circulation to
Reference(s) Bisanthe#64, SNG Tübingen 6#910, Winterthur 1#1256
Obverse description Cock standing left.
Obverse script
Obverse lettering
Reverse description Grain ear.
Reverse script Greek
Reverse lettering
Edge
Mint
Mintage ND (425 BC - 410 BC) - -
Numisquare ID 3418244430
Additional information

Historical Context: This silver triobol, issued by the strategically vital Greek city of Selymbria on the Propontis between 425 and 410 BC, links directly to the tumultuous High Classical period. Coinciding with the Peloponnesian War, Selymbria, often an Athenian ally, navigated complex political and economic pressures. The production of this small denomination reflects the city's ongoing need for currency to facilitate daily commerce and local administration, underscoring its enduring economic activity amidst regional conflict.

Artistry: While the specific engraver remains anonymous, the coin exemplifies the High Classical style. The obverse typically features the finely rendered forepart of a horse, a motif common in Thracian coinage, possibly symbolizing local equestrian prowess. The reverse commonly displays a swan, a recurring civic emblem for Selymbria, often depicted in a graceful, naturalistic pose. Despite the diminutive flan, the dies were skillfully cut, demonstrating a sophisticated understanding of animal anatomy and composition characteristic of the era.

Technical/Grading: Weighing 1.62 grams and measuring 11.5 millimeters, this triobol adheres to a standard appropriate for its denomination. For optimal grading, collectors seek a well-centered strike that fully captures the horse's mane and musculature on the obverse, and the swan's head, eye, and wing feathers on the reverse. Examples exhibiting minimal die wear and full detail are highly prized. Irregular flan shapes and slight off-centering are common for issues of this period, but a strong, even strike significantly enhances numismatic value.

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