Ha, ha! Sanjuro, you sound as if Sam Spade is questioning you! :lol

If anyone views the film again, there is a scene where a shipping news entry on arrivals appears on screen. It names the vessel from Hong Kong due to arrive in San Francisco. Brigid O'Shaughnessy's other conspirator, Capt. Jacobi (Walter Huston) is the mortally wounded person who brings the Falcon to Sam's office.

Earlier in the film, Brigid had previously mentioned Hong Kong as one of the way points in describing her trail and that of the other characters in pursuit of the black bird.

Before Sam Spade leaves Brigid's apartment when this sequence occurs, he also looks inside Brigid's hat on the side table and sees the tailor's label -- and it says Hong Kong.

So there it is, Hong Kong is mentioned in the film three times. You can definitely win some bets with your film trivia fans with this, or it might come up as a Jeopardy question!