Yes, I think perhaps I did. I must have.
5 seconds sound clip from the After the Thin Man (1936) movie soundboard.
You can hear this line at 01:41:28 in the DVD version of the movie.
Quote context
[...]
- I still say, so what's it to me?
- Oh, just a minute, lieutenant... We'll handle it differently.
- Did you deposit that check for $20000 to Robert's account a couple of days ago?
- No.
- Oh, yes you did. I remember your telling me.
- Yes, I think perhaps I did. I must have.
- You think that Robert forged her signature, and you're trying to hush it up, aren't you? Aren't you?
- No. (2)
- Is that the vanity case he sent you?
- Yes.
[...]