Let me tell you that the money in your possession is one hundred percent bonafide.

8 seconds sound clip from Batman (1966) - A Death Worse Than Fate (S1E10) TV Series.

You can hear this line at 00:07:22 in the Blu-ray version of the movie.

Quote context

[...]

- That money you stole last night is real.

- A statement from the editor of the Gotham City Times

- This morning's headline... was entirely untrue.

- Look. It's signed and notarized.

- Let me add my assurance. As the director of the first national bank of Gotham City...

- Let me tell you that the money in your possession is one hundred percent bonafide.

- You gotta believe Mr. Wayne.

- As bank director, if he made a false statement he would be liable to federal prosecution.

- Don't you see out there? This reckless crime of yours isn't necessary.

- You already have your filthy lucre.

- For your own sake, release Mrs. Cooper immediately.

[...]