That may well end up being an invaluable piece of information.

After an invaluable piece of advice he received from Les, he focused his energy on composing.

Up until last year I had managed without one, but since then my motor has proved an invaluable piece of my armoury.

I may have intended to steal an invaluable piece of property.

On that I happen to have an invaluable piece of material, one of the original pamphlets circulated in those days by the witch judges.

Hocking says she hasn't kept the letter, which is a crying shame because it would surely have been an invaluable piece of self-publishing memorabilia.

Restoration of these now invaluable pieces of art work is in process.

They are invaluable pieces of history, preserving memories of cultural phenomena that otherwise might have been forgotten.

One invaluable piece of information I've learned along the way is that age-related hearing loss can begin as early as in our 40s.

Meanwhile, we've gotten the truly invaluable piece of information.