I suppose if my OP was worded: "Can anyone find a 30.8mm seat post for me?" This would be an appropriate reply.
But it would have been worded:

"Can anyone find me a 30.8 mm seatpost that is:
Light weight Al alloy
Dual bolt
Europe based vendor
Reliable vendor (no Ebay, Aliexpress,etc)
No Chinese knock-offs (Ritchey, Race Face, Cinelli, etc)?"

As this was not the post, I appreciate your reply the same

Cheers