I stopped paying close attention to those kind of details by the mid-2000's, but I know that the postwar three-step pilot (2328-65) hadn't been used since pre-1970 at that point.
However, I did notice that the pilot design was brought back with the advent of the "Conventional Classics" in the late 2000's, which also saw the reintroduction of the postwar-style Geep frame and handrails. The part number for that pilot is 630-8304-652, but for some reason I'm thinking it might be die-cast metal? I could be wrong on that.
Also note that the two-step pilot was re-created in the late 1990's as the die-cast metal 610-8870-075 (painted black was -074). Maybe I'm confusing this one with the above?
TRW