Tetrachalkcon

Đơn vị phát hành Birytis
Năm 350 BC - 300 BC
Loại Standard circulation coin
Mệnh giá Tetrachalkon (1⁄12)
Tiền tệ Drachm
Chất liệu Bronze
Trọng lượng 5.4 g
Đường kính 18 mm
Độ dày
Hình dạng Round (irregular)
Kỹ thuật Hammered
Hướng Variable alignment ↺
Nghệ nhân khắc
Lưu hành đến
Tài liệu tham khảo GCV#4056
Mô tả mặt trước Non-bearded bust of Kabeiros wearing pileus, facing left, with stars around.
Chữ viết mặt trước
Chữ khắc mặt trước
Mô tả mặt sau Legend within wreath.
Chữ viết mặt sau Greek
Chữ khắc mặt sau B I P Y
(Translation: Birytis)
Cạnh
Xưởng đúc
Số lượng đúc ND (350 BC - 300 BC) - -
ID Numisquare 4398899580
Thông tin bổ sung

Historical Context: This Tetrachalkon was issued by the ancient Greek city of Birytis in Thrace, on the Propontis, during a period of significant geopolitical flux (350-300 BC). This era saw the decline of Persian influence and the rise of Macedonian power. Cities like Birytis often asserted autonomy through local bronze coinage, crucial for internal commerce when silver was less accessible. These issues reflected civic self-sufficiency amidst the powerful Macedonian expansion.

Artistry: While the engraver remains anonymous, this coin exemplifies Late Classical to early Hellenistic stylistic trends prevalent in Thracian Greek mints. The obverse typically features a finely rendered head of Demeter or Persephone, often wreathed, showcasing characteristic idealization and subtle naturalism. The reverse commonly depicts a dolphin, a symbol reflecting Birytis's maritime importance or a local cult, rendered with simple yet effective lines conveying movement. The overall design balance is characteristic of civic issues.

Technical/Grading: Struck on a bronze flan (5.4 grams, 18 mm), this Tetrachalkon's technical quality varies. Key high-points for wear assessment include the hair details and facial contours of the obverse deity, and the fins and body of the reverse dolphin. Well-struck examples exhibit clear definition, often despite slightly irregular flans typical of bronze issues. Centering can be variable, and die wear frequently influences the sharpness of finer details, particularly on the ethnic inscription.

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