XIII x IV

• Weeks in an annus
• 52 in old Rome
• Year in the life of Pliny the Elder
• Full deck Nero wasn't playing with?
• To Brutus, 52
• Weeks in a year, to Cicero
• Number of cards in Caesar's deck?
• Cicero's card count?
• Number of cards in a "pons" deck

WordNet Word definitions in WordNet
adj. being two more than fifty [syn: fifty-two , 52 ]