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

Kings of Egypt, Ptolemaios III or IV, Alexandria mint, 246-204 BC.,
Æ 40 (Hemidrachm, Tetrobol or Pentobol ?) (38-39 mm / 42,14 g),
Obv.: diademed head of Zeus Ammon facing right.
Rev.: [ΠTO]ΛEMAIOY - BAΣIΛEΩΣ , eagle standing left on thunderbolt, head turned right, wings closed, control letter (E)ΠIP (?) -monogram between legs, filetted cornucopia ascending from eagle´s right shoulder.
Svoronos 148f, 974 var. (pl. 29, 12) ; BMC 66, 38 ; Weiser 92 .
some red and blue-green layers

Ptolemy III - Alexandria E -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.)