One way is to look for publication dates or copyright information printed inside the comic. Sometimes, you can also check for specific editions or reprints that might give you a clue.
The condition of the comic can be a hint. Older comics might show more wear and tear. And if it's from a well-known publisher with a documented timeline of releases, that can help you figure out its age.
You could research the comic's history. See if there are collector's guides or online forums dedicated to that particular series. Also, the style of the art and the quality of the paper can sometimes indicate its era.
Look for copyright or release year information either on the cover or inside the comic. Also, the style of art and printing can give you clues. Older comics might have a different look and quality compared to newer ones.
You can look at the publication date usually printed on the comic. That's a straightforward way to tell its age.
The value of your comic book depends on factors like its rarity, condition, and popularity. Rare editions in excellent condition and featuring popular characters or storylines tend to be more valuable.
One way to tell is by researching the comic book series. See when it first started being published and compare that to the issue you have. Sometimes, the quality of the paper and the colors used can also hint at its age.
Look for any metadata or settings related to your private story. Sometimes, there might be a specific field indicating when it was made. Also, check the file properties if it's saved as a document or file.
You can look at the plot, the art style, and the characters' development. If these elements are unique and well-executed, your comic might get a high grade.
You can look at the complexity of the plot, the quality of the art, and the depth of the characters. If all these aspects are well-developed and executed, it's likely to be of a higher grade.
You can look at the condition of the cover and pages. No tears, stains, or creases can make it a higher grade.
You can check the numbering on the cover or spine of the comic book. Usually, it's clearly marked.
You can look for the publication date printed on the comic book itself. Sometimes it's on the cover or inside the front or back pages.