| Sold | Grade | Monthly Average |
| Oct 2021 | 6.5 | $61.00 |
| Dec 2020 | 6.0 | $17.75 |
| Dec 2019 | 6.0 | $15.98 |
| Mar 2017 | 6.0 | $17.75 |
| Mar 2016 | 6.0 | $17.75 |
| Jan 2025 | 4.0 | $6.00 |
| Jan 2023 | 4.0 | $11.99 |
| Oct 2022 | 4.0 | $11.99 |
| Jul 2022 | 4.0 | $11.99 |
| Jul 2021 | 4.0 | $11.99 |
| Dec 2020 | 4.0 | $11.99 |
| Sep 2020 | 4.0 | $11.99 |
| Dec 2019 | 4.0 | $10.79 |
| Sep 2018 | 4.0 | $11.99 |
| May 2018 | 4.0 | $11.99 |
| Sep 2017 | 4.0 | $11.99 |
| Sep 2016 | 4.0 | $11.99 |
| Dec 2017 | 2.5 | $7.49 |
| Feb 2022 | 2.0 | $5.99 |
| Feb 2019 | 2.0 | $5.39 |
| Jul 2017 | 2.0 | $5.39 |