Superman #299 (1939) - 8.0 VF *The Double-or-Nothing Life of Superman*
Superman #179 (1939) - 3.0 GD/VG *Clark Kent's Brother*
Superman #225 (1939) - 3.5 VG- *Secret of the Superman Imposter*
Superman #306 (1939) - 4.0 VG *Backward Battle For the Bizarro World*
Superman #212 (1939) - 1.8 GD- *The Man Who Saved Kal-El's Life*
Superman #172 (1939) - 3.0 GD/VG *Superman's Mission for President Kennedy*
Superman #170 (1939) - 2.5 GD+ *Superman's Mission for President Kennedy*
Superman #143 (1939) - 1.5 FR/GD *Bizarro Meets Frankenstein*
Superman #136 (1939) - 0.5 PR *The Man Who Married Lois Lane*
Superman #237 (1939) - 7.0 FN/VF *Neal Adams Cover*
Superman #235 (1939) - 4.0 VG *Sinister Scream of the Devil's Harp*
