I bought a 1975 D-28 in 1982 for 700. It is still my regular gig guitar. One neck set and fret job in all those years. Added a Ellipse Matrix to it about 7 years ago.
The only serious blemish is on the case where it got a bit too close to the campfire. Duh.
That’s gotta’ sound sweet now after all those years of playing. I now wish I had hung on to my acoustic from the ‘70s. Sold everything when I got out of gigging in ‘90.