An inedible clam with which you are willing to part for very little money, I am sure.
5 seconds sound clip from the 20 Million Miles to Earth (1957) movie soundboard.
You can hear this line at 00:15:33.265 in the Blu-ray version of the movie.
Quote context
[...]
- Ah! Andiamo subito, eh! Come this way.
- Be back as soon as I can, grandpa.
- Andiamo, dottore, andiamo. Questo è stato un grande accidente.
- An inedible clam with which you are willing to part for very little money, I am sure.
- Dr. Leonardo, you are a kind man, a just man, a man of much learning, a man of great wealth.
- A man of wealth, a professor of...
- Of course, Pepe. Come on in, my Sicilian bandit, and we'll bargain, huh? Come on.
- There is a possibility that I have such a fortune.
- Now, tell me. Let me see this great treasure of such great value. Come on.
[...]