Possible Clues:

• Scarce object
• Something unusual, perhaps collectible
• Uncommon object
• So to try to get air in is unusual
• Right one in cultured surrounds ã one in a million?
• Something seldom seen
• The RA I try to make himself scarce
• Something very unusual
• Man, US painter, welcoming Rex with it, a collector's item
• Not seen of ten