Book looks to be in excellent condition. It looks to be near mint, but its hard for me to judge as i'm not a professional grader.
Added additional images to show condition of the book better. The item "ALL STAR COMICS #58 1st Appearance Power Girl NM" is in sale since Saturday, February 04, 2017. This item is in the category "Collectibles\Comics\Bronze Age (1970-83)\Superhero\Justice League of America". The seller is "witherwing" and is located in Brampton, Ontario.This item can be shipped to United States, to Canada.