Related Clues:

• They might waft in
• Unseen air travelers
• Trails can give awareness on the radio
• They may be picked up by dogs
• Smells of money, say
• Gets wind of American cash being loaded on board ship
• Becomes aware of meaning when listening
• Gets wind of ship carrying cargo of American cash
• Perfumer's expertise
• Perfumery products
• Dogs often locate them
• Potpourri offerings
• Dollar and some change for perfumes
• Parfumerie products
• Money in ship picked up by the boxers, for instance