https://www.brompton.com/beyond

Specs seem to be:

Beyond X: M6L in olive green with beige fork, stem and rear end, orange frame stickers, Schwalbe Racer Tanwall, Brompton Borough Backpack in olive green and saddle bag in olive green). No dynamo, only M handlebars.

There is a (GERMAN!) video with some info about this edition from the Eurobike fair.

Some high-res images can be found on the US campaign site.