Ric

I like a 10X too. I have stronger but haven't had it out in ages - they can be useful for diagnostic purposes, though. One of the key reasons people collect marbles is for their eye appeal, which is why Chuck Brandstetter once told me, "If you need magnification to see it, it may as well not be there". And I agree, whose going to go out of their way or pay extra to acquire a marble that "has AV" (or anything else), if they need a loupe to see it? Not me.

😟

Most artists these days will sign work they're proud of. This one looks like someone may have been practicing their dot stack technique, which is a fairly common approach. If you figure out who made it I'll truly be amazed. 🙂

Nice patch, but no UV reactivity. What you are seeing is just the light reflecting from the source.

Here's an oogly one. . .

They're sure hard to find in mint condition.

This one doesn't fit the Baseball name for me. I want to see a white base with thin clean lines and no bleeding for a Baseball. They're actually harder to find than you might think - blue ones are the most common, at least in my experience.

Yup, Vitros - weird but cool Conquerors, I think.

I agree with Peltier.

Might be Champion.

That is a wholly machine-made marble. I do not believe it is American. My best guess would be an early Vacor (El Aguila).

It's giving me a Ravenswood vibe.

This one looks more like a swirl than a slag to me, although I have no idea who might have made it - could be one of a few different company's, IMO.

I am leaning Ravenswood for this one.

Nice bit of sleuthing!

Yes, that's my take on it.

Alley, IMO.

I think you got into a group of patches that are not American made.

It sorta looks Vitro but I think it may not be American.

It's a corkscrew, just a little lazy.

I also agree with Rainbo.

It looks off for Vitro to me. I think it may not be American.

I agree with FIre.

The base looks like it might not be opaque and that thin "patch" on one side makes me think it's a Rainbo, which would make it a Skunk. But it's pretty hard to tell from these pics.

The only one I think might not be Alley is this one . . .