Possible Clues:

• Address possibly used by chauffeur of limo cruising on empty road
• Sir is unassuming about gold
• Turns up, drive around entry to Limerick leads to an address for noble fellow from England
• Old continental address to an English gent?
• Aristocratic address centres on family plot and garden
• Upper-class address
• Renaissance festival address
• Clement secures gold for the title
• Soldiers in gentle address to superior
• Old term of respect, or mild ragging