Batman 297 (DC, 1978)
Cover art by Jim Aparo. "The Mad Hatter Goes Straight!", script by David Vern (as David V. Reed), pencils by Rich Buckler, inks by Vince Colletta
The Mad Hatter, sad that crime isn't fun anymore, reminisces about his youth, when he would fantasize about being a white-hatted sheriff or a plume-hatted cavalier, or wearing the hat of a Foreign Legionnaire.