Both are Mark Jewelers and a very cool scarce pair

The Flash # 330 by DC Comics, 1984. High Grade Key Gorilla Grodd issue. Beautiful dark blue MARK JEWELERS insert. only a couple fine tics otherwise a very crispy, beautiful copy for sure

The trial continues: The Flash # 346 by DC Comics, 1985. Reverse Flash key issue. Purple MARK JEWELERS insert! Books in fine condition, a couple tics, a little tanning on cover and a corner crease. Still a very nice rare copy that presents nicely.