Watch List notes:

Attica, Athens. Achaean League Hemidrachm, ex BCD; Attica, Athens; 520-490 BC, Hemidrachm, 1.99g. Asyut-267, Svoronos-31, HGC-1638 (same rev. die as illustration). Obv: Helmeted head of Athena r. Rx: Unhelmeted head of Athena Ergane r., wearing taenia and pearl necklace; ATE upwards behind; two olive leaves before; all within incuse square. Ex Triton XXI, 9-10 January 2018, lot 416.. EF