Trivia of the day for February 3

A whistle (the gold whistle was engraved with the words “If you need anything, just whistle” – reference to Bacall’s lines spoken to Bogart in their first film together To Have And Have Not, released in 1944. Bacall was Bogart’s fourth wife and they remained married until Bogart’s death in 1957.)

Source: BusinessBalls Puzzles