Detective Comics #433 (1973)

"Killer In the Smog!", script by Frank Robbins, pencils by Dick Dillin, inks by Dick Giordano.  Batman and Commissioner Gordon try to uncover the mystery of a strangler who strikes during smoggy days, and throttles his victims with a yellow ascot.

"The Case of the Forged Face!", script by Frank Robbins, pencils by Don Heck, inks by Murphy Anderson.  Jason Bard must track down the would-be assassin of a senator who has impersonated Bard in three cities.

Cover by Dick Giordano. Good condition.