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The Maroon 'Vert matching #'s restamp w/ questionable L89 pedigree is in this past thread w/ 05/13 Mecum link still alive...
https://www.yenko.net/forum/showthread.php?t=122551
A Factory Built '68 L89 w/ indisputable history and THE ORIGINAL Engine (not just #'s smoke & hokey paperwork) is something special and looking forward to hearing more about your LB car also any other examples you come up with.
If you want to try backtracking L89's or matching up any known cars, there's a few original ads for '68 L89's in the Old Newspaper ads thread including below 12/68 Chicago ad w/ L89 'Vert, click here and cruise through a few pages...
https://www.yenko.net/forum/showthre...135780&page=21
~ Pete
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