If they are not glowing in the dark as I tought I missunderstood it that's correct.
If I understand well, the UV light thing is a kind of reaction that prouves that the correct ink is used (same for the hursits sides I suppose)?
As I was explaining earlier, Hursit is screen printing his stickers, and the others are process color. That means his are made with solid ink colors, passed through a fine screen, and the proper fluorescent inks, which is why they fluoresce (glow) under UV light. The UV light thing is a test for accuracy, it matters even if you never shine a UV light on yours even once.
Think about it like a highliter marker. That will glow under UV too, but it has a unique look even without it.
Process color is how almost everything you see is printed. Cereal boxes, magazines, whatever. Little tiny dots of CMYK that look stippled when you get your eye up close instead of solid.
You'll never match the original look with that. It can look pretty good, but not actually accurate and you'll always be able to tell under close inspection, even without a UV light.
I'm not telling you to buy his because he's a cool guy. He is, but that's not the point. If you want accurate nobody else is making them that I'm aware of. You sound like someone who's trying to sweat the details and do a nice restoration. Just trust me, buy his while you still can and don't worry about the others, they are literally not as good. Be nice to have them when Hursit sells out, not trying to crap on other people's product, but these are just the manufacturing facts.