Related Clues:

• Unusual knickknack
• Rare, unusual object
• Odd not to get the Guardian, which is a collector's item
• It's not everyday a physicist gets round to substitute experiment's launch
• Rare thing sought for collection
• Collectors' item
• Odd and interesting article
• (Unusual) collector's item
• Item of bric-a-brac
• Small fascinating collectible object
• Knick-knack
• Unusual trinket
• Flea market pickup
• Quaint knickknack
• Intriguing object worth collecting