cheese

Probably polymer clay.

That's a drizzle. Long strings of glass get pulled away from the gobs of glass when workers make adjustments or remove rocks and things like that, then they fall on the rollers and get picked up by the hot gobs or fall back onto the gob and don't get smoothed out. I wish I could post a video, I took one where this was happening at DAS when the orifice on the tank got clogged.

No, unfortunately not. All makers could experience the same issues. Even now. And this is a really hard color combo to attribute to any maker on top of it.

The glass was not hot enough to fully smooth on the rollers when it was made. Possibly the rollers weren't very hot either. This may have been made at the start of production when the furnace was just getting hot enough to run and produce, or at a time when the temp got too low for whatever reason. Much cooler and the tank would probably stop running altogether and have to be heated back up and possibly rodded out at the orifice to get flowing again.

Yeah that one is from the St. Mary's factory.

Alley Pennsboro.

Alley, probably Davis depending on size (as Josh said), and Heaton in that order for the three.

What size is it? I can't tell by that ruler. It's likely either Master or Euro.

Vitro had the machine. It belonged to House of Marbles in England. They commissioned Vitro to make them some large boulders and Vitro had a difficult time making quality marbles on it. Eventually the machine went back to England. A rare few examples of the marbles are around though.

Agreed, a mix. They are around. Nice find! Here's one to compare with, a bit more showing.

Heaton

Creek/fish tank marbles. Solids and clearies with extensive surface wear.

Torch stuff there. Some, like the Akro lifesaver, are correctly named but the messed up JABOs are ?? for IDs? Caution.

Agreed, they are mostly transitionals but I see a Heaton Sweet Potato in there and maybe 2 other non-transitionals.

a 1 1/4 inch Cosmic Rainbow made on the House of Marbles machine

I agree with non-domestic.

Looks Asian to me.

Normally I'd say not to polish unless the marble is so beat that it is trash and it would be nice enough to warrant the time or expense if it was polished. I polished this one by hand. It would never be appreciated again in the condition it was in, so I polished it and although now it's in polished condition, it can be displayed and appreciated. So I think it was worthwhile. For a common latticino core, not worth it IMO but someone else may have a different opinion. Which is worse, polishing it or tossing it in the trash? Either way it's never going to be an original surface top shelf marble again, so why not make it at least beautiful again?

JABO for sure.

IMO made by Master and sold by Master, Alox, and Ravenswood. Roger Hardy also said Master when I visited him a few years back and the question was asked.

Yeah that's a nicely covered Pelt. Older than the usual Rainbo I think.

Could be Pennsboro.

There is some size relation to swirls talk here https://www.allaboutmarbles.com/viewtopic.php?f=5&t=52143

Vitro here too.

Just for info, two dug Pennsboro Alleys. The left being closer to the one on the left in the OP.