| Sold | Grade | Monthly Average |
| Apr 2026 | 8.5 | $34.00 |
| Jun 2024 | 8.0 | $6.80 |
| Sep 2024 | 6.5 | $6.49 |
| Oct 2023 | 6.0 | $4.80 |
| Mar 2023 | 6.0 | $4.49 |
| Jul 2021 | 6.0 | $3.90 |
| Dec 2020 | 6.0 | $3.30 |
| Jun 2024 | 4.0 | $3.40 |
| Mar 2023 | 4.0 | $3.00 |
| Jan 2023 | 4.0 | $3.00 |
| Feb 2022 | 4.0 | $2.80 |
| Jun 2021 | 4.0 | $2.40 |
| Mar 2021 | 4.0 | $2.40 |