Ooh, I’ve had fun with this tonight! I decided to assemble the parts first, then when I’m happy with it, pull it apart and do the neck refinish, possibly the body too.
First up - get the neck on so I can line everything else up properly. I had to sand the inner edges of the neck pocket, as although the shape is luckily a perfect match, it was too tight to fit in.
The neck ferrules I got off eBay were a bit small, and not quite high enough, so I popped some washers underneath to bring them flush with the body surface. Neck on!
I used a straight bit of wood to held tightly against the neck edges to draw lines on the body. This got the bridge nicely lined up. Bridge on!