Thanks, Jeff. After I thought about it, I was questioning myself about an MK "Chocolate Cow". . .
I'll have to run a "Brown Wasp" by you to see what you think . . .
Thanks for posting this after your edit - most people already think I'm crazy, I don't need them to think I'm blind too. lol
Your marble appears to be a Vitro Tiger Eye or relative, depending on whether the white and color is veneered on clear or not.
Bright (neon) colors distinguish the Vitro Neons and they usually have very little (if any) white. I don't think I am seeing one here.
This is one of Ron's, since I couldn't easily find mine. ð
As far as i know,
As far as I know, American Agates are pretty much opaque marbles - maybe a little translucence, but I think it would be very unusual to see one with this much transparency. I think the color is off too - AAs are more red.
The light is coming from behind the marble so there is a shadow over the front and that makes it hard to see much detail. But from what I can see, I am leaning JABO over Vitro.