As the OP on this topic...the several responses here basically mirror my own thoughts on it. A part of me thinks it will always be collectible and another part thinks when the boomers are gone the bottom could drop off a bit. I do think it will always have value as an automotive antique and part of Americana.

It is hard to believe that 18-25 year old kids right now, driving their foreign cars, will care much about old gas pumps or porcelain signs of gas stations they have never heard of when they are in their 40’s, 50’s, 60’s, etc. They will be looking at the foreign stuff from their youth that they had.

I’m 36. But my dad was taking me to classic car shows when I was a little kid and have it in my blood. Almost none of my friends care about it at all.