Related Clues:
- Hound, quite old for a dog -- antique!
- A slowing down in network is no common occurrence?
- Rare article
- Factor in a trading card's price
- Scarce item
- Track going round a river -- it's something unusual
- Curiosity of artist right before thing with unknown
- Interesting object
- Wonder when 2, all but its first and second failing
- Piece of bric-a-brac inquisitive American dropped off
- Collectable oddity