Astra, Girl of the Future (Sensation Comics, 1950)

Astra, Girl of the Future was another of the largely forgotten female characters who briefly backed up Wonder Woman in Sensation Comics, a TV news reporter for the city of New Futura in the 22nd century.

Tags are: "Astra_gof, short red hair, blue eyes, yellow shirt, necklace, red gloves, red skirt, belt, black lipstick, red footwear". And yes, the necklace is meant to float off her neck like that.