* * Cache is not at the posted coordinates * *

but it would be a good place to park

This is the third installment in a movie trivia letterbox series. It should be pretty easy to figure out. If you haven't seen this classic movie, just google the quote and you will get the answer.

Stamp is not a trade item. Please do not take it. Difficulty is for the puzzle, terrain is for the hide.

What movie did this famous line come from?

Ka-Chow!

You can validate your puzzle solution with certitude.