
This is from the back pages of issue #237 of Batman (Dec. 1971), where surely it traumatized the children it didn’t tantalize.
Also, from the Golden Age reprint in this same comic: Things Batman Doesn’t Say Nearly Often Enough Anymore:

Mike Sterling's Progressive Ruin
Wondering how he eats and breathes since 1969

Also, from the Golden Age reprint in this same comic: Things Batman Doesn’t Say Nearly Often Enough Anymore:
