Related Clues:

• Letters on a memo
• Park, e.g., in N.Y.C.
• Business-letter letters
• Directive on an env.
• Letters on some letters
• Roman salutation
• Ltr. letters
• Fifth in NYC
• ''Greetings, Caesar''
• ''Hi, Claudius''
• Ltr. recipient pinpointer
• Env. routing indicator
• Galba's greeting
• ''Good morning, Caesar''
• Abbr. before a name on an envelope