I have two friends that BOTH still have their BJ's from the '70's. Another still has his Eisentraut.
I still have my '86 Cannondale MTN bike. The wife still has her Gitane from '78. I also still have a Clive Stewart from '69. (it belonged to a guy who lived across the street from me where I grew up, and when he passed away, he left instructions to be sure I got his bike. Needless to say I'll have it 'till I pass)
Oh yeah, there's still a Ritchey road bike from so long ago that no-one (even Tom) knows when exactly it was built. (I got it 2nd hand) Historic, no dought, so I'm keeping it as well.
Good luck in your quest,
Dr.D