View source for 2912 - Alexandria (Ptolemy I) (tetradrachm Alexander/Athena CPE 69) over Alexander the Great (Heracles/Zeus) (MacDonald coll., 143)

{{Overstrike
|Private collection=D. MacDonald collection
|Obverse description=Head of the deified Alexander III to right, wearing a diadem with the horn of Zeus Ammon, an elephant skin headdress and aegis around his neck. Before elephant's ear, Δ. Border of dots.
|Reverse legend=ΑΛΕΞΑΝΔΡΟΥ
|Reverse description=Athena Alkidemos advancing to right, brandishing spear with her right hand and with a shield on her left arm. In the right field, Corinthian helmet, below monogram (AX) and eagle on thunderbolt. Border of dots.
|Mint=Alexandria
|Ancient region=Egypt
|Authority=Ptolemy I Soter (satrap and Ptolemaic king of Egypt, 323-305 BC) ; Alexander III the Great (Argead king, 336-323 BC) - pretended authority (name and portrait)
|Date from=307
|Date to=305
|Weight=15.69
|Axis=1 h
|Denomination=Tetradrachm
|Coin reference=D. MacDonald, Overstruck Greek Coins: Studies in Greek Chronology and Monetary Theory, Atlanta, 2009, p. 190-191, no. 143
|Coin series reference=SNG Copenhagen/Sylloge Nummorum Graecorum: The Royal Collection of coins and medals, Danish National Museum (43 vols), 1942-1979, no. 29;J. N. Svoronos, Τα νομίσματα του κράτους των Πτολεμαίων, Athens, 1904–1908, no. 162.;C. C. Lorber, Coins of the Ptolemaic Empire: Ptolemy I through Ptolemy IV, New York, 2018, no. 69.
|Overstruck obverse description=Head of Herakles right, wearing lion skin (visible: nose, mouth, chin, and portion of back of lion skin in field on reverse).
|Overstruck reverse description=Zeus seated left, holding eagle and staff. In fields, monograms (visible: outline of Zeus's head and shoulders, upper portion of staff on upper portion of elephant skin; lower portion of staff and three feet of throne in field near edge of coin before Alexander's mouth and chin).
|Overstruck authority=Alexander III the Great (Argead king, 336-323 BC) - type
|Overstruck denomination=tetradrachm
}}