| Sold | Grade | Monthly Average |
| Apr 2021 | 8.0 | $2.00 |
| Feb 2021 | 8.0 | $1.80 |
| Nov 2020 | 8.0 | $2.10 |
| Sep 2020 | 8.0 | $2.00 |
| Sep 2019 | 8.0 | $1.53 |
| Apr 2019 | 8.0 | $1.61 |
| Feb 2019 | 8.0 | $1.70 |
| Sep 2018 | 8.0 | $1.70 |
| Jul 2018 | 7.0 | $7.00 |
| May 2018 | 7.0 | $6.00 |
| Jul 2021 | 6.0 | $2.00 |
| Jun 2021 | 6.0 | $2.00 |
| Apr 2021 | 6.0 | $2.00 |