Superman #233, published January 1971 by DC Comics.  Cover by Neal Adams, writing by Denny O'Neil, art by Curt Swan.  All kryptonite on earth is turned to iron!

A beautiful copy grading between Very Fine Plus 8.5 and Very Fine/Near Mint 9.0 (see supplied high-definition scans provided for determining grade).

Book will be shipped via USPS Priority.