Barnbwt, no that's not mine, but it is a neat collection of P90 rounds!
All those plastic colored 7.62x25s that I put in one pic came from a company that I think was called SFX. Gone now, but he got his start making safe, plastic, look-alike rounds for the movie industry. Later he got a bit whacky making fantasy stuff for collectors, and then returned to his day job.