This issue is a variant of Batman (DC, 1940 series) #350 [Direct].
On-sale date from Comic Reader #201.
Colors credit confirmed by Anthony Tollin.
Story continues from Batman #349; story continues in Detective Comics #517.
Snyder credit per Gary Usher's Robin Snyder Comic Book List. Letters of comment from Charles David Haskel, Joseph Holsapple, Dominic Romano, Jim Morrison, Dusty Luary, Robbie Aromatonio, Steve Jones, J. Pep, Cathy Hall, Kenneth Martin, Dan Skantar, Gary Thompson, Linda Brand and Scott Gibson.
Story continues in Batman #351.