Watch List notes:

ATTICA, Athens. Circa 454-404 BC. AR Tetradrachm (22mm, 17.01 g, 9h). Possible eastern imitation. Helmeted head of Athena right, with frontal eye / Owl standing right, head facing; olive sprig behind; all within incuse square; c/m: uncertain letter(s)[?] within incuse square. Kroll 8; HGC 4, 1597. VF, toned, flattened area from countermarking.

From the J. Eric Engstrom Collection.