Well. I’ve paid for it.
I’ve used a Russian shop who offers a finding/shipping service on Reverb. He specifically deals in Japanese vintage gear, which is a happy coincidence.
@walshy put me in touch with him (he bought an Aria through this guy).
https://reverb.com/shop/denniss-gear-bazaar-167?utm_source=rev-ios-app&utm_medium=ios-share&utm_campaign=shop&utm_content=929219
Super nice guy, really helpful.