| Sold | Grade | Monthly Average |
| Apr 2019 | 9.4 | $4.70 |
| Mar 2019 | 9.4 | $4.30 |
| Jan 2019 | 9.4 | $4.30 |
| Nov 2018 | 9.4 | $4.75 |
| May 2018 | 9.4 | $4.99 |
| Apr 2018 | 9.4 | $4.99 |
| Jan 2018 | 9.4 | $4.99 |
| Dec 2017 | 9.4 | $4.99 |
| Nov 2017 | 9.4 | $4.99 |
| Jan 2023 | 8.0 | $4.00 |
| Mar 2021 | 8.0 | $3.60 |
| Dec 2019 | 8.0 | $4.00 |
| Jun 2018 | 7.5 | $10.00 |
| May 2021 | 6.0 | $2.85 |