Look at those lighting effects. This is done in an age where Photoshop was barely a twinkle in anyone’s eye, which means that this effect was mostly airbrush. Also, the four-tier layout seems to be almost default for a magazine-sized page.

(Heavy Metal issue #26, May 1979 – Page 10 The New Tales of the Arabian Nights, Sindbad in the Land of Ginn by Corben and Strnad)