The World Of Krypton (1987) # 3 (FN/VF) Canadian Price Variant • CPV •John ByrneThe World Of Krypton (1987) # 3 (FN VF) Canadian Price Variant * CPV * John Byrne is a rare and highly sought after comic book from the Copper Age (1984 1991) era of US Comics. This issue, written and illustrated by John Byrne, features the iconic character Superman and is published by DC Comics. This variant is the Canadian Price Variant, which makes it a unique addition to any collection. The comic book is graded at 7. 0 Fine Very Fine, and the