George Szell/Cleveland Orchestra/Mozart. Symphonies 40 & 41. CBS MYK 37220, 1985 (originally released c. 1956). (on CD, second-hand)
I’m not nuts about Mozart symphonies, but they’re undeniably great and I enjoy them well enough. These performances don’t strike me as amazing, either, although there’s nothing wrong with them and you can’t go too wrong with the material.