Possible Clues:

• Botanical rarities, for example
• Unusual articles out of the Listener's archive originally
• Carnival displays
• Colourful objects imported from abroad
• It turns up with the beast in the ace of things that are not native
• Strange or rare objects, often collected
• Strange or rare objects, often in collection
• Cut up about The Listener's very strange things
• Strange or rare objects as in collection
• Outlandish objects, especially in a collection