Very good observations. Bizarre that an un-motorized stunt would get a golden neck and the V2 would get a brown one.With new photographic evidence I am counting 6 stunts actually used
3 of those motorized
I can also say it looks like some were not finished and only painted.
I imagine like everything else time is at the essence and having 3 completed motor stunts was enough on their check list and made the rear unfinished just as off screen practice stunts
I think these were all painted at the same time during anh
ROTJ is a whole other ball game though... it wouldn’t surprise me if the stunts used in rotj got a touch up.. going by the resin cast...
I’m still almost positive 2 stunts were being used in the throne room..
I think then the V3 as it is today, is a franken-saber of differently finished parts, some sanded, some not. Just like the Ranch saber.