Thanks again, everyone!
PHArchivist: Yes, this is the saucer that was on display at the Long Beach exhibit in early 2008. I believe it is the only model constructed for that crash landing scene in Generations. (A little clear plastic mount for the exhibit plaque was still attached to the front of this model when I first received it. No harm was done to the model's surface as they used that sticky gel-like substance you frequently see plastic cards attached to paper with in advertisements, etc. - but a little stronger. It eventually could be cleanly removed.)
Very Best,
Gerald