| Clue | Source | Date |
|---|---|---|
| Calligraphy liquid | Universal | 15 Oct 2023 |
| You might dip a 15-Down in this before writing something | New York Times | 17 Aug 2021 |
| Calligrapher's supply | Eugene Sheffer | 05 Jun 2018 |
| Comic book artist's supply | The Washington Post | 19 Nov 2017 |
| Comic book artist's supply | LA Times Daily | 19 Nov 2017 |
| Comic book artist's supply | ||
| Calligrapher's purchase | Universal | 30 Sep 2016 |
| Calligrapher's purchase | ||
| Calligrapher's purchase | New York Times | 02 Dec 2015 |
| Calligrapher's purchase | ||
| Certain pen filler | ||
| Indelible liquid | ||
| Drawing medium | ||
| Calligrapher's medium | ||
| Lettering liquid | ||
| Drawing fluid | ||
| Calligraphy liquid | ||
| Lettering liquid | ||
| Calligrapher's stock | ||
| Scribe's aid | ||
| Artist's medium | ||
| Black pigment | ||
| Fluid for a cartoonist | ||
| Cartoonist's choice | ||
| Black. | ||
| Artist's pigment. |