It's about a large purchase you made.
1 seconds sound clip from the The Big Combo (1955) movie soundboard.
You can hear this line at 00:45:53.818 in the Blu-ray version of the movie.
Quote context
[...]
- Yes, my love. That is what I've been telling you for the last five minutes, but you don't listen.
- Well, be calm, we can change our plans.
- I'm Lieutenant Diamond, police.
- I won't take much of your time, Mr. Dreyer. I just want to ask you a few questions.
- Please.
- It's about a large purchase you made.
- This purchase was made in 1946.
- 1946! I'm sorry, I was not in business then. So I can't help you.
- I was hoping you'd have some record. It's... about the purchase of an anchor.
[...]