I'm not sure what you mean by nesting.
These are definitely Marble Kings, so Marble Kings must be able to nest. I'm just not sure which exact part of the marble you're saying is nesting.
I'm quite jealous of your corkscrew passion. Have I mentioned that this year?
I can't settle. Today I want to settle on black and yellow marbles. But tomorrow I will change my mind.
Disorienting.
Mighta leaned Alley on top and Akro on bottom .... but they look related so no idea.
Does either one have what you can identify as two seams?
Here's one of Paul's Alley flames. This one is super nice, and you wouldn't need to have as many tips as that to qualify as a flame, but it should give you an idea.
@jeeperman
The top view on that black and white looked completely Akro.
Might benefit from more views.
Alley seems a good guess on the swirl. I don't see a clear flame pattern. Need several flame tips showing in the same view.
I'm going with it being a swirl, so I might only expect small cutlines, if they're even visible. I'm thinking it's more that the glass folded onto itself than a seam with most of those lines. I want it to be Alley.
I don't always get what I want.