DC Comics

COLONEL HENRY CASPAR

6

APPEARANCES

2

SERIES

FIRST APPEARANCE

Showcase #37 cover

Showcase #37

April 1962

Earliest catalogued appearances of Platinum, Mercury, Lead, and 4 more.

KEY APPEARANCES

All 6 appearances.

Showcase #37 cover

Showcase #37

Earliest catalogued appearances of Platinum, Mercury, Lead, and 4 more.

Apr 1962

No listings

Showcase #38 cover

Showcase #38

Jun 1962

No listings

Showcase #39 cover

Showcase #39

Earliest catalogued appearance of Chemo.

Aug 1962

No listings

Showcase #40 cover

Showcase #40

Oct 1962

No listings

Metal Men #42 cover

Metal Men #42

Mar 1973

No listings

Metal Men #56 cover

Metal Men #56

Mar 1978

No listings

SERIES

Metal Men

Metal Men

56 issues

Showcase

Showcase

104 issues