Foreign Comic Collector issue 1 - Page 13

Superman Vol 1 #233 January, 1971 Superman breaks loose Cover artist: Neal Adams Writer: Dennis O'Neil Penciler: Curt Swan Inker: Murphy Anderson Jor-El's Golden Folly Writer: E. Nelson Bridwell Penciler: Murphy Anderson Inker: Murphy Anderson Why is this issue important? First part of the Sandman storyline. Also, an experiment involving kryptonite goes haywire causing all kryptonite on planet earth to turn into harmless iron. This leads the reader to believe Superman is now completely invulnerable! The chain breaking symbolism being a huge factor in the iconic Adams cover art. Page 13