It's pretty neat the way one cutoff of each marble in that Pelt double are buried in the interface between the ingots and the others are on opposite sides of the double. The whole thing is remarkably round too - very cool.
Oh boy, I'll have to look in my Akro stash - I set the small ones aside too. I'll see what I can dig up but it may take a while, I have more marbles than I know what to do with and finding them could take awhile.
I am sure some of those don't glow but do you know if any of the ones with red and blue ribbons don't glow? I sure would like to know for future reference.
The left one looks foreign to me, the center does look like an Akro Corkscrew, and the third looks like a JABO to me too - cut-lines do appear on them sometimes.
The base glows bright on the red ones just like the yellow ones - at least in the examples I have, although that could be a selection bias on my part. Do you have similar that don't glow?