Possible Clues:

• Quite a find
• Couple of artists and a further five is flying from Rome, but not usually
• Skirt, one on Violet's something unusual
• It's most unusual for one to fly from Rome
• Curiosity
• Travelling via Arras, see something very unusual
• That's what's unusual in the air of Rome
• Seems there's a 2 down of this in the air of Rome
• It's two artists, a six is, and that's unusual
• Uncommon creature