The Dichalkon denomination
The dichalkon is an ancient Greek bronze denomination worth 2 chalkoi.

It is roughly equivalent to a quarter obol - or 1/24th of a drachm.
Dichalkon
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An AE Dichalkon struck 38-72 AD in Anemurium
Obverse: diademed head right; BACIΛEΩΣ / ANTIOXOC

Reverse: diademed bust of Iotape right; ΒΑCΙΛICC // A_NEMOY

Diameter: -
Die Orientation: -
Weight: 4.2 g
No notes for this coin
Kovacs 265; RPC I 3708; AC 215.
(2) Halos
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An AE Dichalkon struck 300-200 BC in Halos
Obverse: Laureate head of Zeus right

Reverse: Phrixos on ram right, cloak flying; AΛE_Ω_N

Diameter: -
Die Orientation: -
Weight: -
No notes for this coin
BCD Thessaly II 86.4 corr., SNG Cop 64 var., Rogers 242 var.
(3) Melitaea
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An AE Dichalkon struck Late 4th cent. in Melitaea
Obverse: Laureate head of Zeus right

Reverse: Bee upwards, wings outstretched, M - [E] above, Λ - I below

Diameter: -
Die Orientation: -
Weight: 2.1 g
Reported to have been found in Bulgaria, c. 2001. VF
BCD-459, Rogers-396
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An AE Dichalkon struck 264-222 BC in Salamis (Cyprus)
Obverse: Head of Zeus-Ammon facing right, wearing tainia, dotted border

Reverse: ΠΤΟΛΕΜΑΙΟΥ ΒΑΣΙΛΕΩΣ, Cult statue of Aphrodite standing facing

Diameter: 17 mm
Die Orientation: 12 H
Weight: 3.26 g

Ptolemaic Kingdom

The reverse inscription translates to: "of King Ptolemy"

Svoronos 1008
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An AE Dichalkon struck 221-204 BC in Paphos
Obverse: diademed and draped bust of Aphrodite or Arsinoe III right

Reverse: cornucopia with fillet; ΠTOΛEMAIOY_ΒAΣIΛEΩΣ

Diameter: -
Die Orientation: -
Weight: -
No notes for this coin
Svoronos 1161; SNG Copenhagen 649-650
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An AE Dichalkon struck 69-68 BC in Artaxata
Obverse: draped bust right wearing ive-pointed Armenian tiara decorated with a star between two eagles and tied with a diadem

Reverse: palm branch; BAΣIΛEΩΣ / TIΓPANOY // H__monogram

Diameter: -
Die Orientation: -
Weight: -
No notes for this coin
Kovacs 151, 3rd known?