1982, DAVID LETTERMAN, NBC "LATE NIGHT WITH DAVID LETTERMAN" Studio Show Ticket, Scarce.   (Early Show Taping, Show Began in 1982).  Nice Condition.  (Light Blue Ticket, Numbered on Back, 1.75" x 4").  Very Cool Display Collectible Item from the ICONIC Late Night Talk Show Host!!    "Stupid Pet Tricks"