This is an interesting book.  It contains the 1st appearance of Rogue story (chronological) which was supposed to be released in Ms. Marvel #25 in 1979 but the title got cancelled.  Instead, Avengers #10 holds the honor of the 1st Rogue appearance.  This book also features the first battle between Rogue and Ms. Marvel.  This square-bound book has perfect alignment and is graded 9.6 NM+.  Buy it and send it in to CGC!