here is another picture of them, but it is blurry. #1has two seam lines that aren't quite opposite. #2 also has two seams that are opposite. #3 I can't tell where its seam is. #6 also has two seam lines that are opposite, and so does#7.
I am very new to marbles, and therefore don't know much. Somebody recently gave me about 100 marbles. I really need some help!! I will add another picture of them in another post, because my pictures are to big.