Alan

They are air bubbles. If you hope for something, you'll see things through that filter.

Not MK, not oxblood.

That would seem odd for Akro glass, IMO.

(Unfortunately, I have chosen to remove this content due to behaviors by others on this board)

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Not Akro glass.

They appear to be stuck to the surface - at least in one pic. I'm not even sure they are marbles. They look like mill balls.

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Swirl, not a cork.

Just a purple machine made clearie with a cold roll.

To the OP's question: These days - new collectors want "stuff" in their marbles. They want what they think is premium....what they think other people want/don't have. And thus having "stuff" in their marble is desired. So called "aventurine". "Lutz". "Mica". etc etc. It has become "What the cool kids have". There is little rhyme or reason to it beyond catchy words. People chasing oxblood are so eager for it that many things red, brown or dark red are frequently mistaken for "oxblood". Eager for it, people see things through that hopeful filter.

This is correct.

(Unfortunately, I have chosen to remove this content due to unchecked behaviors by others on this board. My apologies to those who will not benefit from it in the future.) My sincere apologies to Ric who was kind with his words.

"Mint +" That is the sound of tap dancing. WTH is "Mint +" ????

I love photos like these where the prospective buyer has no ability to determine their condition.

(Unfortunately, I have chosen to remove this content due to unchecked behaviors by others on this board. My apologies to those who will not benefit from it in the future.)

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Agree, not a Popeye.

It could be anything...some scrap. UV reaction is not a big thing.

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Akro