View source for 3389 - Abdera (tetradrachm Sphinx/incuse square) over Aegina (turtle/incuse square) (von Aulock, 2251)

{{Overstrike
|Image overstriking coin=SO 320 - Abdera over Aegina.jpg
|Image overstruck variety=Aegina 320.jpeg
|Image reference overstruck variety=https://pro.coinarchives.com/a/lotviewer.php?LotID=2169718&AucID=5216&Lot=95
|Sale=Leu, 13, 1975, 244 = Leu HS, 103, 5 May 2005, 128
|Private collection=Hans von Aulock coll., n° 2251
|Obverse description=Griffin seated right with right forepaw raised.
|Reverse description=Incuse square.
|Mint=Abdera
|Ancient region=Thrace
|Date from=520 BCE
|Date to=500 BCE
|Period=Archaic
|Metal=Silver
|Weight=11.63
|Denomination=tetradrachm
|Standard=Thraco-Macedonian
|Coin reference=SNG H. von Aulock, n° 2251.
|Coin series reference=Sear I, n° 1529; HGC 3.2, n° 1126
|Overstruck obverse description=Turtle.
|Overstruck reverse description=Incuse square.
|Overstruck mint=Aegina
|Overstruck ancient region=Aegina
|Overstruck date from=540 BCE
|Overstruck date to=500 BCE
|Overstruck period=Archaic
|Overstruck denomination=stater
|Overstruck standard=Aeginetic
|Coin series reference overstruck=Sear I, n° 1847-1848
|Coin series web reference overstruck=https://greekcoinage.org/iris/id/aegina.meadows_askari.1a
|Frequency of overstrikes=exceptional
|Level of confidence=strong
}}