Possible Clues:

• In Montmartre, a joint seldom found
• Empty urban land for public use is rare
• It's rare to seek office without an introduction to what's the norm
• Not often seen
• It's rare for a foreign company with Frenchmen to get on
• Novel produced by a foreign regular
• Universal Soldier by Frenchmen for broadcast from novel
• Atypical noble?
• Not usual, remarkable