I have been searching for years with the hope of finding a good set of these lamps. Not much luck so far on this side of the pond.
My car was originally equipped with them. They "vanished" shocked2 during the few months the car was in the original purchaser's ownership; I purchased it in 1970. The vacant holes in the wings serve as a constant reminder to never abandon my quest... nono

Bert & B1800
"Tis well enough to know how much to know; and when to know, not to know, too much."