These are som I have found. I don't know anything about marbles. If you see something you like make a fair offer it's yours if any are rare from what you can see let me know. Also I was reading that where they were made is a big part in value as well as the year. How is any of that determined??
P.S.
If you need or want better pictures of any let me know. I'm really hoping someone can give me some insight on them. Thank you for any info.