The Brave and the Bold (1955-) #174

Batman has Green Lantern enlist the aid of The the Old Timer, now a mortal on the planet Maltus, to help discern which of the Guardians is actually Sinestro in disguise!

Written By:
Gerry Conway, Cary Burkett
Pencils:
Jim Aparo, Dan Spiegle
Inks:
Jim Aparo, Dan Spiegle
Cover By:
Jim Aparo