This issue is a variant of Green Lantern (DC, 1976 series) #201 [Direct Edition]. There exist further variants.
Color credits confirmed by Anthony Tollin.
Vs Star Sapphire, who has remained in this dimension. Vs. Sonar, Dr Polaris and the others from Guy Gardner's villain's group from #197, including Throttle, Polestar, Whiteout and others. Con't in next issue. The indicia remains "Green Lantern".