Ptolemy IV and Arsinoe III - Svoronos 1160, BMC 4, Sear 7850
Ptolemy IV or Cleopatra VII
Size: 10.5mm Weight: 1.43 grams
Obverse: Arsinoe III or a representation of Aphrodite, the patroness of Cyprus
Reverse: ΠΤΟΛΕΜΑΙΟΥ − ΒΑΣΙΛΕâ�¦Σ, double cornucopia flanked by ribbons
Kreutzer in his book The Coinage System of Cleopatra VII and Augustus in Cyprus, assembles evidence dating this type to Cleopatra VII instead of the reign of Ptolemy IV.
As the potential buyer you may wish to have a look at a link to the forum website and commentary to make your own mind up
http://www.forumancientcoins.com/board/index.php?topic=64029.0