This issue is a variant of Batman (DC, 1940 series) #386 [Direct].
Color credits confirmed by Anthony Tollin.
Story continues in Detective Comics #553.
Letters of comment from Dale Coe, Rick Oberle, Joe Rusnek, Ronald Bialkowki, T.M. Maple, Susan M. Murrie, Clark A Novak, John A. Leach, John Fleig and Greg W. Myers.