Alexandria in Egypt, 246-222 BC., Ptolemaios III or IV, Alexandria mint, Æ 40, Svoronos 974.

Kings of Egypt, Ptolemaios III or IV, Alexandria mint, 246-204 BC.,
Æ 40 (Hemidrachm, Tetrobol or Pentobol ?) (37-39 mm / 47,23 g),
Obv.: diademed head of Zeus Ammon facing right.
Rev.: ΠTOΛEMAIOY - BAΣIΛEΩΣ , eagle standing left on thunderbolt, head turned right, wings closed, control letter E between legs, filetted cornucopia ascending from eagle´s right shoulder.
Svoronos 148f, 974 (pl. 29, 12) ; BMC 66, 37 ; Weiser 91 ; Sear GCV 7815 .

Ptolemy III - Alexandria EPSILON Series.
Lorber has attributed these coins to the early part of the reign of Ptolemy III as heavy weight standard hemidrachms while some other references differ. Weiser attributes them as Pentobols of Ptolemy IV. (My estimation from the observed weight: a tetrobol.)