| Sold | Grade | Monthly Average |
| Sep 2024 | 9.4 | $2.50 |
| Jul 2024 | 9.4 | $2.70 |
| May 2020 | 9.4 | $2.00 |
| Apr 2018 | 9.4 | $1.70 |
| Mar 2018 | 9.4 | $1.70 |
| Feb 2018 | 9.4 | $1.70 |
| Sep 2017 | 9.4 | $2.30 |
| Mar 2017 | 9.4 | $1.53 |
| Jan 2017 | 9.4 | $1.70 |
| Nov 2016 | 9.4 | $1.70 |
| Oct 2016 | 9.4 | $1.35 |
| Jul 2016 | 9.4 | $1.49 |
| Mar 2024 | 8.0 | $3.00 |
| Mar 2023 | 8.0 | $3.00 |
| Sep 2021 | 8.0 | $2.10 |
| Oct 2020 | 8.0 | $2.00 |
| Nov 2018 | 8.0 | $1.70 |
| Sep 2018 | 8.0 | $1.70 |
| Jul 2017 | 8.0 | $1.62 |
| May 2020 | 6.0 | $2.00 |
| Nov 2017 | 6.0 | $1.95 |