Whats up with my cat's eyes and transparent?

[chocobogreens]

So, i was going through my old marbles from when i was a kid that i am sure are run-of-the-mill but i noticed a few of my cat's eyes looked odd. I included some pics.  First pic has some that are tri color cats eyes but have a subsurface mark that is a deep brown/reddish. Second is a green marble with a rotten banana shape. The following 3 look clear but require white background and good lighting to see the lines- a clear transparent with barely visible whispy lines. Followed by two marbles, green and blue that have thin, single strand jalapeno-like eyes instead of banana shaped All of these are near the surface  but below, not painted on. The last one is a transparent blue marble that has what looks like a lattice core, but actually has a straight cable-like web which is not centered. I tried watching the identifying cat's eyes videos for some info. thank you for any insight

[Steph]

The majority of cat's eyes are cheaply made marbles.   A lot of oddities happy.    Impurities.  Cold rolls.  


The last marble looks interesting though.  More views?

[chocobogreens]

so they are like, misprints and errors? i love it! yeah this marble is an odd one. the "core" as you can see is not centered.

[Steph]

Maybe a Master on the last one?  

[chocobogreens]

I found a website identifying akro marbles, one is called an experimental oxblood. It looks just like this, obviously white not oxblood. Could that be it? It's towards the bottom https://old.buymarbles.com.buymarbles.com/marblealan/akro.html