| Clue | Source | Date |
|---|---|---|
| Change you don't see very often | New York Times | 01 Mar 2025 |
| Penny worth much more than a penny, perhaps | Universal | 19 Apr 2023 |
| 1943 copper penny, e.g | USA Today | 12 Nov 2020 |
| 1943 copper penny, e.g | Universal | 25 May 2020 |
| Numismatist's prize | LA Times Daily | 26 Apr 2020 |
| Numismatist's prize | The Washington Post | 26 Apr 2020 |
| Valuable collectible | The Washington Post | 07 Dec 2018 |
| Valuable collectible | LA Times Daily | 07 Dec 2018 |
| Treasury collectible | LA Times Daily | 07 Feb 2018 |
| Treasury collectible | The Washington Post | 07 Feb 2018 |
| Valuable collectible | ||
| Treasury collectible | ||
| Numismatist's find | LA Times Daily | 06 Feb 2015 |
| Numismatist's find | ||
| 1913 Liberty Head, e.g. |