| Clue | Source | Date |
|---|---|---|
| Proverbial rarities | The Telegraph Cross Atlantic | 06 Sep 2025 |
| Proverbial rarities | New York Times | 03 Jul 2021 |
| Rare things | Wall Street Journal | 27 Feb 2016 |
| They're impossible to find | ||
| Rarities, supposedly | ||
| Symbols of scarcity | ||
| Rare things, in a simile | ||
| Symbols of scarcity | ||
| Rare things | ||
| Scarce items | ||
| Scarce items. |