Do you have a picture of the smaller "coreless" type swirl you're looking for a 2"-er of?
That will help me visualize.. as the term could mean different things to different people
No need to apologize, ask away! Questions are how we all learn so in no way would I discourage you or fellow collectors from asking.
7/8" is the size. Don't worry, Lol can also be nervous laughter as I also hold Chad G's opinion in high regard!
Looks vintage handgathered to me. Lots of companies made these before manufactures became more automated with machine made marbles. Most of the identifying detail will be where the cut off point is, but even then can be hard to agree on company.. or even country of origin.
Better pictures would help, this looks like a picture of a monitor showing a picture of a marble...too much resolution lost. But obviously not a Pelt bloody Mary if that's what you're asking.
They look legit vintage from here.
There are some unusual looking combos that would benefit from closer pics as mentioned above. Some details are hard to make out from damage
With regard to the term "end of day", some people call the fancier/splotchy ones? Maybe someone else will chime in..