Elektron 1 was a Soviet satelite launched in 1964 to study radiation in space. It is still in Earth orbit and intact (but not functional).
Molniya is a series of Soviet satellites manufactured between 1965-2003. Many are still in orbit and functional to this day, with the oldest one hailing from 1977.
There were also reports that during covid, Boeing charged the Pentagon 600 000 to produce 15 trash cans. That’s 40 000 dollars per trash can. Previously, the same trash cans cost the Pentagon 300 dollars per item.