| Sold | Grade | Monthly Average |
| Oct 2025 | 8.0 | $2.39 |
| Mar 2019 | 9.4 | $3.30 |
| Dec 2018 | 9.4 | $3.10 |
| Nov 2018 | 9.4 | $3.00 |
| Oct 2018 | 9.4 | $3.30 |
| May 2018 | 9.4 | $3.00 |
| Apr 2018 | 9.4 | $3.00 |
| Jan 2018 | 9.4 | $7.20 |
| Dec 2017 | 9.4 | $8.00 |
| Apr 2017 | 9.4 | $8.00 |
| Mar 2017 | 9.4 | $8.00 |
| Jan 2017 | 9.4 | $8.00 |
| Dec 2016 | 9.4 | $8.00 |
| Oct 2021 | 8.0 | $2.40 |
| May 2024 | 6.0 | $2.25 |
| Jan 2024 | 6.0 | $2.50 |
| Jan 2021 | 6.0 | $2.00 |
| Mar 2019 | 6.0 | $1.95 |