The Saga of the Swamp Thing #12 was published by DC Comics in 1983
Title: And Yet It Lives
Featuring: Swamp Thing
Credits: Martin Pasko (Script), Tom Yeates (Pencils), Tom Yeates (Inks), Tatjana Wood (Colors), John Costanza (Letters).
Title: Ageless
Featuring: Phantom Stranger
Credits: Nicola Cuti (Script), Fred Carrillo (Pencils), Fred Carrillo (Inks), Anthony Tollin (Colors), ? (Letters).
The comic has bright vibrant colors both front and back covers but there is slight roll at spine. The pages have slightly yellow or off-white appearance.