Watch List notes:

Attica, Athens (172-171 BC), AR Tetradrachm, 16.72g, head of Athena right, wearing triple-crested helmet, rev. A-e, owl standing right, head facing, on upturned amphora inscribed a, an below, aplustre on right, monograms either side, all in laurel-wreath (Thompson 247-251), large flan, very fine.