Issue: #19
Clones of Supergirl? It's a game of identity, thanks to the mysterious gold Kryptonite!How can there be two Supergirls? The answer may shock you!
Creators: Paul Kupperberg, Carmine Infantino, Julius Schwartz, Nansi Hoolahan, Ben Oda, Bob Oksner, Eduardo Barreto
Characters: Supergirl, Supergirl, Streaky, Phil Decker