Related Clues:
- Initials on a packed house
- Welcome sign for concert promoters
- Sign at a popular play
- 'Sorry, no seats left' sign
- Nixonian hand signal
- Scrabble 4-pointer
- Flock formation shape
- One of a vivacious pair?
- Sellout sign letters
- Posted announcement at a theater entrance
- Initials at a full house
- Sign at a sold-out concert, for short
- Neckline shape or alphabet letter
- Sold out notice
- Full house sign, on Broadway