Road Racing from italy. I know of 4 in ukmoc. Mine, Jmo,Kato and I think Spareshacks bike Stuarts.
They dont seem to be doing business no more. Really suprised no-one makes these or similar because we always get asked about them. They are aluminium and obviously stacked projection type lamps like the 999. No reason you couldn't modify some 999 lamp. You need to be handy fabricator though.
Whats underneath. ??
This