Watch List notes:

ATTICA. Athens. 138/7 BC. Tetradrachm (Silver, 31 mm, 16.85 g, 12 h), New style, Glau... and Eche... Head of Athena Parthenos to right, wearing triple-crested Attic helmet adorned with Pegasos. Rev. Α-ΘΕ /ΓΛ/ΑΥ -ΕΧΕ Owl standing facing on amphora; to right, draped and radiate facing bust of Helios; on amphora, M (= 12th month); to left of owl, ΣΦ (= contractor's initials); all within olive wreath. Thompson 303b. About extremely fine.