To figure out how old your comic book is, you might need to look for specific indicators like a printing date on the cover or inside. Sometimes, the style of the art or the characters can also give you a rough idea of the era it came from.
It really depends on a lot of factors. The condition of the books, their rarity, and the popularity of the characters or storylines can all affect their value.
Well, whether it's worth reading is subjective. If you enjoy complex family dynamics and unique storylines, you might give it a shot. But if you're not into those themes, it might not be for you.
It depends on a few things. Like the condition of the comic books, their rarity, and if they're part of a popular series. You can look up similar comics on online marketplaces to get an idea.
I'm not a fan of online literature. I'm a person who likes to read novels. I can answer questions about language and knowledge. I know some information about the old 19 days manga, but I'm not familiar with its specific plot and content. If you have any other questions about this work, I will try my best to answer them.