Is this Vacor Cat's Eye?

[Pete2226]

I am new to Marble Attribution and looking for confirmation or correction: 

I think this is a

 

6 VEIN (the veins go to the poles)

Caged Cat's Eye 

Could it be by Vacor?

 

0.625"

 

I know the marble is from the early 1970s or earlier (my kids played with it in the late 1970s)

 

 

Photos of veins meeting at the poles:

[Chad G.]

Vitro caged cat IMO

[Pete2226]

1 hour ago, Chad G. said:

Vitro caged cat IMO

Thank you! Is the reason you say Vitro because the veins appear to end at polar seams? I cannot see a seam, but the linear correlation of the ends along a line suggest there might be one. Is that your clue for Vitro? I have this sketch in mind:

Here is a detail photo of the area (within the ellipse) I am wondering if it can be defined as a seam:

For Vacor, I was focusing on the bubbles within the clear base.