| Sold | Grade | Monthly Average |
| May 2026 | 6.5 | $8.40 |
| May 2026 | 6.0 | $11.00 |
| Aug 2025 | 6.5 | $2.50 |
| Aug 2016 | 6.5 | $6.49 |
| Aug 2022 | 5.5 | $5.49 |
| Oct 2022 | 4.0 | $4.70 |
| Dec 2018 | 4.0 | $4.00 |
| Feb 2018 | 4.0 | $4.00 |
| May 2017 | 4.0 | $4.90 |
| Jun 2024 | 3.0 | $5.30 |
| Sep 2021 | 3.0 | $3.00 |
| Oct 2019 | 3.0 | $3.00 |
| Mar 2016 | 2.5 | $2.49 |