Laminated finger board suggests Tokai manufacture to me ,Other MIJ strats were usually slab boards. The P Up routings should be the proof one way or another.
FS:1980 Tokai Bound Tele Now SOLD and 90's MIJ Thinline with Lollars SOLD - Guitars £ Discussions on theFretBoard The same guitar on sale awhile ago which is now on E bay UK The EBay ad does not mention the replaced neck unfortunately.
The spec you reference applied to Springys not Goldstars. 84 maple Goldstars had 4 digit plates.V necks and round string trees.When i get a minute I'll post some photos of mine.
This was my local music store when I was young and was incidentally the shop in which Lennon and Mc Cartney learned some jazz chords from a certain Jim Gretty a guitar salesman who was still working there when I was 16 and window shopping there.