| No. | 20 |
| Description | Kohoku C2-D type pottery |
| Site | Tokoro-chashi Site: from Pit Grave ⅩⅥ-18a |
| Size (cm) | H. 38.8 |
| Period | Late Epi-Jomon |
| Date | 3rd-4th century |
| Possessor | Tokoro Research Laboratory |
| Comment | During the first half of the Early Epi-Jomon period there seemed to be regional colors, but in the latter half, a uniformity of the archaeological culture arouses in Hokkaido. Kohoku C2-D type pottery of the latter period spread not only throughout Hokkaido, but also across the Tohoku region of Honshu. |