Ancient Greek coins

Ancient Greek coins, including; Attica, Athens, Tetradrachm, helmeted head of Athena right, rev. owl standing right, olive sprig to left, aoe to right, all within incuse square, 3.98g, extremely fine; Apollonia Pontika, Drachm, facing gorgoneion, rev. anchor, with crayfish and A, good fine; Mysia, Parion, Hemidrachm, 4th century BC, Gorgoneion facing, rev. cow, fine; Moesia, Istros, Stater, 400-350 BC, two male heads facing, the right inverted, rev. eagle on dolphin left, 1.51g, good fine. [4]