| Sold | Grade | Monthly Average |
| Mar 2021 | 9.4 | $8.80 |
| Jun 2017 | 9.4 | $8.00 |
| Jun 2021 | 8.0 | $5.20 |
| Jul 2020 | 8.0 | $3.40 |
| Aug 2019 | 8.0 | $6.40 |
| Apr 2019 | 8.0 | $5.76 |
| May 2018 | 8.0 | $7.00 |
| Mar 2018 | 8.0 | $6.40 |
| Feb 2017 | 8.0 | $6.40 |
| Jul 2020 | 6.0 | $5.25 |
| May 2019 | 6.0 | $5.25 |
| Feb 2018 | 4.0 | $3.50 |
| Dec 2017 | 4.0 | $3.20 |