Got a copy of Nintendo Power Issue #7 from July/August 1989. This is the one with Mega Man 2 on the cover, though this photo shows the back page contest for a trip to Nintendo HQ. It's definitely seen some love over the years, shows some wear on the edges and corners as you can see in the pics. Still a cool piece of gaming history if you're into retro stuff or collecting the early NES era mags. No idea if the posters or inserts are still inside, selling as-is.

Nintendo Power Magazine Issue 7 July/August 1989 Mega Man 2 Cover