Would.

Really nice but no seat post

Can source them and there is a guy that convert posts specifically for these frames.

Whats the special requirement of the post?

Cray Cray quill seat posts.

Seen a few on eBay asking $200-300 US

There is a guy who will convert the posts for $100 in Australia

Pete Bundy might have one, he was selling a Columbus Air seat post recently!