Continuity mistake: Frasier and Niles are looking at the salt server Blaine returned to Frasier - in one shot the large envelope, the mailer strip, and the note are on the coffee table - in the next shot the strip has disappeared and the envelope and note have changed position.
Continuity mistake: Blaine sticks the pin in his leg and doesn't remove it, yet after a few shots it's gone.
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Suggested correction: The pin is present until Daphne removes it, but in each shot the pin is rotated without anyone touching it. In some shots, it is difficult to see because it is longways on, but it is there.
