Ric

@Chad G. I think the back four marbles look quite different than the front three too. And while we may never figure these Euro wire pulls out, I think it's a stretch to assume that just because the marbles came from the Netherlands that they were made there. I got a few poly-mesh bags from Mojo with wirepulls that look quite a bit like those back four and while they may be Veiligglas, I am not convinced that they are. I wonder how confident @Mojo is about them being Veiligglas.

Its a fun thought and all but the Arrow of Light Award wasn't introduced until about 40 years after this marble was made.

More slag than swirl, I think. Odds are with Akro, IMO.

A view of the other seam is maybe not as helpful as I hoped. I'm still leaning Akro.

Yes, a Peltier Rainbo.

The more I look at it, the more I think it's an MK P&R with very little space between the P & Rs.

@Alan Here is a definition I found at Old Rare Marbles: "Double Ribbon Core Swirls are constructed with two inner ribbons opposed to each other, and are more common than a single ribbon core swirl. Sometimes Double ribbon core swirls will be “capped” with small ribbons to close up the gap created by the two ribbons to give the illusion of a fat single ribbon, but is actually a double ribbon core swirl. Capped Double Ribbon Core Swirls are uncommon." I've seen the marbles but never heard the term.

Here is the 3/4" marble at 4 o'clock in the group.

More of the 13/16" marble at 2 o'clock in the group.

Here are some Veiligglas I got from Winnie (RIP) back in 2013.

Another one of brother Billy's favorites - he loved AV. Billy's marble and pics.

There was a time when people thought they might be Alley . . .

I could see it.

My first thought was Akro, and it doesn't impress me as Vitro. Maybe a look at the other seam will shed more light on it.

Looks JABO-ish to me but maybe Alley - another odd one.

Alley is my thinking.

The pattern is not what it was intended to be, IMO - makes it hard to figure. I could see Akro or Vitro - wacky, regardless.

It looks like a Bogard Halloween variant to me.

I'm thinking a JABO Classic.

It appears to be a badly misshaped Cat's Eye, likely Asian, and perhaps purposefully produced for decorative uses.

It looks like a lazy Akro Corkscrew to me.

Well, this looks like an entirely different marble. It is really important to show any seams and/or ribbon ends when you post photos for ID. This looks like a German striped Striped Transparent to me. I do not believe it is the marble you posted originally.

It's an Alley Agate. Many people want to see at least 5 stacked flame tips to call it a "flame" but it's definitely in the neighborhood.

Nice marbles, I don't think I have heard of a "double capped ribbon core" or a "banded lutz mist onionskin" - could we get a few more photos of those?

Nice bunch, what size is the largest one?