I'm not surprised. At least for the TDB headbow. From what I understood, even in Japan there was only a literal handful of them. So there's probably like 10 or 15 of them even produced.
I'd pay a stupid sum of money for the sax one, but I also feel like maybe AP will randomly include them at another event. I'm still mad about it. I didn't like the bear ears that we original released/were included in the MTO.