If it’s in a mystery box, some will probably flog it to CEX, but that likely means another month or two at the earliest. CEX usually being a good guid to expected value.
And CEX only seem to list the standard version for £22 + £3p&p (so they’ll probably be mixed in with that stock).
Then RM postage to USA is “from £3.40”
https://www.royalmail.com/sending/international/international-standard
Hang on. That’s less than the non-free-delivery UK cost.
Yes. I’m nursing a dislike of delivery charges and thresholds.