| Clue | Source | Date |
|---|---|---|
| Iconic prehistoric tool | Newsday | 14 Aug 2026 |
| Stone Age tool | Thomas Joseph | 26 Apr 2021 |
| Stone Age tool | Premier Sunday | 24 Dec 2017 |
| Primitive cutting tool | New York Times | 04 Sep 2015 |
| Paleolithic tool | Premier Sunday | 04 Jan 2015 |
| Paleolithic tool | ||
| Primitive cutting tool | ||
| Stone Age tool | ||
| Stone Age artifact | ||
| Stone Age tool |