Tetradrachm - Heliokles I Dikaios

Issuer Kings of Baktria
Year 145 BC - 130 BC
Type Standard circulation coin
Value Tetradrachm (4)
Currency Drachm (305-15BC)
Composition Silver
Weight 14.63 g
Diameter 30 mm
Thickness
Shape Round (irregular)
Technique Hammered
Orientation
Engraver(s)
In circulation to
Reference(s) Bop#3a , HGC 12#170
Obverse description Diademed, draped, and cuirassed bust of Heliocles right, wearing crested helmet covered with pelt of scales. Fillet border.
Obverse script
Obverse lettering
Reverse description Zeus seated left, holding Nike with wreath in her right hand and sceptre in her left; in lower inner left field, M.
Reverse script Greek
Reverse lettering ΒΑΣΙΛΕΩΣ – ΔΙΚΑΙΟΥ – ΗΛΙΟΚΛΕΟΥΣ
(Translation: King Dikaios Heliokles)
Edge
Mint
Mintage ND (145 BC - 130 BC) - -
Numisquare ID 6383018060
Additional information

Historical Context: Heliokles I Dikaios, reigning approximately 145-130 BC, is traditionally considered the last Greco-Bactrian king to rule core Baktria. His reign marks a critical juncture, characterized by increasing pressure from nomadic tribes, particularly the Yuezhi, and the terminal decline of the Hellenistic kingdom in Central Asia. The epithet "Dikaios" (the Just) suggests an emphasis on legitimacy amidst severe internal and external challenges, as the kingdom faced ultimate fragmentation.

Artistry: The coinage of Heliokles I, including this tetradrachm, exemplifies the sophisticated Hellenistic artistic tradition prevalent in Greco-Bactrian mints. While the engraver remains anonymous, the work reflects high classical skill. The obverse features a powerful, diademed bust of Heliokles, often rendered with a stern, mature expression, conveying gravitas befitting a ruler in tumultuous times. The reverse depicts Zeus enthroned, holding a scepter and thunderbolt, a common motif emphasizing divine authority, with the legend BASILEOS DIKAIOU HELIOKLEOUS.

Technical/Grading: This silver tetradrachm, 14.63 g and 30 mm, typically exhibits strong strike qualities. High-points for grading include Heliokles' intricate hair and diadem on the obverse, and Zeus's musculature, facial features, thunderbolt, and throne details on the reverse. While centering can vary, well-preserved examples show a full, even strike, ensuring legibility of legends and sharpness of devices. Metal purity is generally excellent, reflecting high standards of Bactrian minting.

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