Superman
The book’s name was Gonzalez. It was the edition of June 1938 of Action Comics #1. The comics lover would know the importance of this book. It is the very issue in which the character of Superman was introduced. Gonzalez expressed his ecstasy to reporters “I knew it was worth money, But I had no idea how much.” He then decided to sell his newly found treasure and had his mouth open when realized the price.