This was created by the prop department as Lady Vic's flash bomb. It helped her escape from Barbara Gordon in the "Lady Vic" episode.
It's a pretty badass little piece that will display nicely! Feels like hard rubber. It's not some cheap store bought toy!! Looks like it could have been molded from a golf ball!
Lady Elaine Marsh-Morton, a.k.a. "Lady Vic" is a character in the DC Comics universe. She is an English noblewoman who works secretly as an assassin, bounty hunter, and mercenary. She is employed on a semi-regular basis by Roland Desmond and appears most frequently as an antagonist of Nightwing (Dick Grayson). Her sobriquet "Lady Vic" is short for "Lady Victim", referring to any of her possible targets. Lady Vic appeared in the third season of Titans, portrayed by Kimberly-Sue Murray.