The Hemilitron denomination — Variants: Half-Litra
The Hemilitron was an ancient Greek denomination in the Sicilian Litra system corresponding to half a Litra - or six onkia. It was struck in both bronze and silver, and is typically characterized by six pellets on the reverse design.

Some Roman republican bronzes are also referred to as hemilitrons - what they were known as historically is unknown.
Hemilitron|Half-Litra
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An AE Hemilitron struck 230-218/5 BC in Syracuse
Obverse: Diademed head left

Reverse: Warrior on horse prancing right, holding couched lance; ΣΛ below

Diameter: 26 mm
Die Orientation: -
Weight: 16.61 g
No notes for this coin
CNS 195; cf. SNG ANS 956
(2) Himera
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An AE Hemilitron struck 420-409 BC in Himera
Obverse: head of nymph left; •••••• / IM_E

Reverse: wreath, 6 • inside

Diameter: -
Die Orientation: -
Weight: 3.85 g
No notes for this coin
SNG Cop 320; Calciati I p. 43, 35; SGCV I 1110; SNG ANS 186
(3) Syracuse
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An AE Hemilitron struck 410-405 BC in Syracuse
Obverse: Head of Arethusa left, wearing necklace

Reverse: Star of (8 or 16) rays in circular incuse within quadripartite incuse square

Diameter: 16 mm
Die Orientation: -
Weight: 6.15 g
Second Democracy. 466-405 BC, Struck circa 410-405 BC.
SNG ANS 398-402 or SNG ANS 394-7 var. (no E).
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An AE Hemilitron struck 317-289 BC in Syracuse
Obverse: Head of Kore left wreathed with grain, amthora ?; ΣΥΡAKOΣIΩN

Reverse: Bull butting left, dolphin above and below; (NK)

Diameter: -
Die Orientation: -
Weight: 8.13 g
No notes for this coin
cf. Calciati II p. 218, 96 DS 114 R1 4
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An AE Hemilitron struck 344 - 336 BC in Syracuse
Obverse: ZEYΣ EΛEΘEΡIOΣ / Laureate head of Zeus Eleutherios right

Reverse: ΣYPAKOΣIΩN / Upright thunderbolt

Diameter: -
Die Orientation: -
Weight: 17.8 g
Threatened by Carthage and dominated by Hiketas, the tyrant of Leontini, Syracusans sent an appeal for help to their mother city, Corinth. By a unanimous vote Corinth selected Timoleon to set sail for Sicily with a few leading citizens of Corinth and a small troop of Greek mercenaries. After defeating Hiketas, Timoleon put order to Syracuse' affairs and established a democratic government. He repelled Carthage in several wars, ending with a treaty which divided the island. Timoleon then retired without any title or office, though he remained practically supreme. He became blind before his death, but when important issues were under discussion he was carried to the assembly to give his opinion, which was usually accepted. When he died the citizens of Syracuse erected a monument to his memory, afterward surrounded with porticoes, and a gymnasium called Timoleonteum.
No references provided for this coin