Kingdom of Egypt, Ptolemy I (305-283 BC), AR Tetradrachm, 12.92g, diademed head of Alexander the Great right, wearing elephant-scalp headdress, rev. AEANPOY, Athena Alkidemos advancing right, brandishing javelin and holding shield, helmet, monogram and eagle on right (SNG Cop.19; Svoronos 168), light surface corrosion on obverse, very fine.