Egypt - Ptolemy II, Philadelphos

Tetradrachm of Tyre in Phoenicia. 285-246 B.C. The Ptolemys were the designated rulers of the Egyptian territories conquered and proclaimed by Alexander the Great of Macedonia. Diademed head of Ptolemy I (Soter), friend of Alexander since boyhood. Rx: Eagle standing on thunderbolt 'l' in field; TYP monogram above club; and in the r. field the regnal date 'KE' in monogram form. This regnal year equates to 261/260 B.C. VF+ on good silver. Sear 7773, Svoronos 650, BMC 6.31,78.
For a Great article on Alexander the Great and Ptolemy Soter click the link below. It features a story about the discovery of the only known living portrait coin that shows the image of Alexander the Great (not Herakles). It's a MUST read!
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An excellent article that features a story about the discovery of the only known living portrait coin that shows the image of lifetime portrait of Alexander the Great (not Herakles) is linked below. It's a MUST read!
Ptolemy's Egypt & Alexander's Portrait - Holt: Ptolemy's Egypt & Alexander's Portrait - Holt
Here's a very informative & illustrated paper on "The Spread of Coins in the Hellenistic World" by A. Meadows: Coins in the Hellenistic World A Meadows