Superboy #89 (1961) CGC 4.5 -- 1st & origin of Mon-El; 2nd Phantom Zone app.
Description
This issue features the first appearance and origin of Mon-El and the second appearance of the Phantom Zone in stories by Robert Bernstein and Jerry Siegel with art by Curt Swan, George Papp, and Stan Kaye.
* Sales tax will be added to purchases where applicable. To make purchases tax free upload a valid resale certificate/license here or create a vault account here.
Cert Verification