| Clue | Source | Date |
|---|---|---|
| Premium | Wall Street Journal | 12 Mar 2024 |
| Prime | Wall Street Journal | 14 Sep 2023 |
| High-quality | New York Times | 26 Jan 2023 |
| First-class | Eugene Sheffer | 26 Dec 2022 |
| Prime-quality | Newsday | 12 Jul 2020 |
| Five-star | New York Times | 27 May 2017 |
| Five-star | ||
| Of the best quality | LA Times Daily | 19 Jan 2016 |
| Of the best quality | ||
| Of the best quality | ||
| Of the best quality | ||
| Of the finest quality | ||
| Of the finest quality |