Walter Koenig, known in Star Trek circles as Mr. Chekov and to autographs at the Precedence Booth in the Exhibit Hall, (see map elsewhere in this book for booth location.) One free autograph per person; photos and books are available for sale at the booth. No tickets required; first come first served. Participation is limited! This ticket does not guarantee you a space in line It is merely a reminder of the time and place.