| Sold | Grade | Monthly Average |
| Dec 2025 | 6.0 | $3.00 |
| Nov 2025 | 4.0 | $2.39 |
| Oct 2023 | 8.0 | $2.50 |
| Jun 2021 | 8.0 | $1.80 |
| May 2020 | 8.0 | $2.00 |
| Feb 2020 | 8.0 | $2.00 |
| Jan 2018 | 8.0 | $1.70 |
| Oct 2017 | 8.0 | $1.70 |
| Mar 2024 | 6.0 | $2.50 |
| Jul 2021 | 6.0 | $2.00 |
| Oct 2020 | 6.0 | $2.00 |
| May 2020 | 6.0 | $2.00 |
| Sep 2019 | 6.0 | $1.85 |
| Feb 2018 | 6.0 | $1.53 |
| Jun 2017 | 6.0 | $1.70 |
| May 2017 | 6.0 | $1.53 |
| Dec 2020 | 4.0 | $2.00 |
| Oct 2020 | 4.0 | $2.00 |
| Aug 2019 | 4.0 | $2.05 |
| Mar 2023 | 2.0 | $2.50 |
| Apr 2017 | 2.0 | $1.70 |