Since they're selling out fast, I think a degenerate buying the Topaz mintage might just make back their money should they decide to list it later. However as you've said it's all a gamble. The Topaz looks astonishing though, I get why it seems to be more expensive.
I don't really see super heroes stuffs, as a genre, but I grew up watching the 2000s version of Superman and Spiderman, not for fun, but because it was available to watch
The only problem is you might get two emerald level ones and end up losing money on the purchase. Then again you might get a gold coin. It truly is gambling, because you don't know what you'll get. And at $460 it's not something I would take a chance on in my current economic situation!