Swamp Thing (1972 1st Series) #9 NM
Published Apr 1974 by DC.
"The Stalker From Beyond." Swamp Thing sneaks aboard a train to the Louisiana swamp where he was "born." However, he is unaware that an alien has landed there to repair its spaceship. Script by Len Wein, pencils by Berni Wrightson, inks by Wrightson and Mike Kaluta. Cover by Wrightson. Cover price $0.20.