Actually, the red one has now mudguards+lights on top of the Brompton front bag (I can also mount a slightly adapted S-bag) block and is more "military" than the speed that cannot accept mudguards, front bag...
The stem is the Moulton Wishbone Stem it exist in Ahead and quill type
Moulton Wishbone Stem Update.pdf https://fudgescyclesonline.com/index.php?p=195522 https://fudgescyclesonline.com/index.php?p=192767
It is unfortunately a little heavy (but anyway, the "naked" Jubillee (no rack, bag, bottle, pump, U-lock) with wishbone is exactly 10kg).