Related Clues:

• Perfect rating
• See 18-Down
• Big ___
• Start of this year?
• King beater, in pinochle
• Till bill
• See 49-Down
• Part of a royal flush
• 'Taps' time
• Start of a count
• Round number
• Large shoe size
• Royal flush necessity
• See 53-Across
• This puzzle's theme