| Flint tool |
| Ancient flint |
| Chipped stone |
| Ancient stone |
| Stone Age tool |
| Stone artifact |
| Cave man's tool |
| Stone implement |
| Stone Age stone |
| Prehistoric tool |
| Early stone tool |
| Chipped-flint tool |
| Crude Tertiary stone |
| Crude stone artifact |
| Crudely chipped flint |
| Natural chipped flint |
| Prehistoric stone tool |
| Naturally occurring chipped stone |
| Ancient stone once thought to be man-made but now believed to have been produced by glaciation |