Superboy discovers another Superboy in Smallville, only it's him. The other Superboy tries to convince Clark that Clark is Kirk Quentin and he's the real Clark Kent.
The price of "Superboy #144 - Vg+ 4.5 (1968)" at Comic Book Relief is USD $13.50.
The publisher of "Superboy #144 - Vg+ 4.5 (1968)" is DC Entertainment.
The genre of "Superboy #144 - Vg+ 4.5 (1968)" is Superheroes.
"Superboy #144 - Vg+ 4.5 (1968)" falls under the category of Back Issues (Rare).
The artists of "Superboy #144 - Vg+ 4.5 (1968)" are George Papp, Gil Kane, Curt Swan, Carmine Infantino, and Henry Boltinoff.
The writers of "Superboy #144 - Vg+ 4.5 (1968)" are Otto Binder, E. Nelson Bridwell, and Henry Boltinoff.