Watch List notes:

Ancient Coins, Southern Arabia, uncertain mint, silver drachm, imitating Athens late 3rd century BC, helmeted head of Athena r., Arabian letter N on cheek, rev. ΑΘΕ, owl standing r., head facing; olive spray and crescent to l.; all within incuse square, wt. 4.87gms., 14.5mm. (Huth, CCK, 170-4; SNG ANS 1455-61; HGC 10, 720), about extremely fine

($300-350)