We don't know if ANY of them were ! LOL
The thing is after owning a jacket made of shrunken lamb... I can now safely say that I believe its not the leather used in Raiders at all., Actually that shot _ posted in another thread of his Sheepskin jacket, looks more in line with what I see on the raiders jacket but sheep and lamb are basically the same animal the process involved to create the shrunken look is very distinct.
When you see a Shrunk Lamb jacket in person you will notice it. And when you see a shrunk lamb jacket in pictures you will also, that being the case I don't see it in any of the press stills/screenshots from Raiders sorry!
Which supports all the evidence given by people who where there..
But to get on topic....:
Michaelson posted that Marion and Indy don't walk up to the boat all the way:
In the scene before people are constantly walking up and down the boat behind them it is Katanga, and further in the background is another board walk and there extras keep walking up as well. When they part with Sallah and head for the boardwalk they stop and listen and look at him Singing. If it was shot at a sound stage, it would have to be a really massive one ! Pretty hard to keep such a thing a secret especially given the size of the ship.... The only scene shot on stage regarding bantu wind is the one where Indy gets hit by the mirror AFAIK.
_,
Regarding the jacket you examined in 2000: You said you were wearing ( or had with you ) at the time a wested jacket ? Was it a lamb jacket? And when you examined it, did you see any major differences in the texture of the hide between the two? In terms of grain etc?