All from faded memory, but mostly from bikes I actually owned...
The early Raleigh Competitions (pre 70) were identitcal to later Internationals except for pencil thin stays and a different fork crown. The 2 I've had were Campagnolo dropouts.
The later ones, (early 70s) before the GS ones probably had Huret dropouts for the Jubilee deraillers, no chrome on the lugs, but I never saw one with Nervex.
I never saw a Grand Sport until the 70s, and never one with Nervex. Besides, I think the dropouts were Simplex.
There was a fancy Super Course model, but I'm unsure of the specifics.
Maybe the Nervex lugs were a random event, like the 60s style lugs on the later Pros.
Ted, soaked in Berkeley