| Clue | Source | Date |
|---|---|---|
| Old masters' medium | The Washington Post Sunday | 13 Feb 2022 |
| Common painting medium | Premier Sunday | 19 May 2019 |
| Painting option | Universal | 11 May 2018 |
| Painting option | ||
| Medium for Matisse | Wall Street Journal | 24 Jul 2017 |
| Rembrandt choice | ||
| Artist's choice | ||
| Rembrandt choice | ||
| Artist's choice | ||
| Artist's purchase | ||
| 6-Down purchase | ||
| Medium for Monet | ||
| Painting option | ||
| Art shop buy | ||
| Painter's pigment | ||
| Prussian blue or burnt sienna |