I know that you’ve done a lot more research than I have, so sorry for sticking my nose in, but did Adrian’s #1 sunburst ever have a standard DiMarzio PAF Pro (the one with the hex screws) in it?
The first version of the Floyd Rose Classic Stratocaster (1992-1998) had a DiMarzio Custom PAF Pro, which was a DiMarzio OEM pickup made for Fender, in the bridge. The pickup was a standard PAF Pro, but with normal screw and slug polepieces. It also has “DiMarzio” written on the bridge side coil. I’ve only seen the #1 sunburst with what seems to be that pickup.
@matic22 By the way, thanks so much for all the kick-ass work you’ve shared in this thread.