You can check if your story has unique plot elements and characters that haven't been seen before. Also, see if it offers a fresh perspective or approach to common themes.
In ancient Chinese philosophy and culture, there was a saying that a person could stand on his own feet by the age of 30. By the age of 40, people had already understood the basic principles of right and wrong and were no longer confused and confused. By the age of 50, people began to truly understand their own destiny and the meaning of life. This sentence emphasized the importance of age and experience in understanding life.
The condition of your comic books matters a lot. Mint condition ones are usually worth more. Also, the popularity of the characters and the rarity of the issue can affect the value. You could consult a local comic book store or collector for their opinions.