| Sold | Grade | Monthly Average |
| Sep 2022 | 9.4 | $4.00 |
| Nov 2019 | 9.4 | $3.20 |
| Jul 2018 | 9.0 | $16.50 |
| Jun 2018 | 9.0 | $16.50 |
| Mar 2019 | 8.5 | $9.25 |
| Apr 2018 | 8.5 | $8.87 |
| Sep 2016 | 8.5 | $21.00 |
| May 2019 | 8.0 | $8.75 |
| Mar 2019 | 8.0 | $8.75 |
| May 2018 | 8.0 | $8.75 |
| Jan 2018 | 8.0 | $8.38 |
| Dec 2017 | 8.0 | $8.38 |
| Feb 2019 | 7.5 | $8.25 |
| Jan 2019 | 7.5 | $8.25 |
| Apr 2018 | 7.5 | $8.25 |
| Mar 2018 | 7.0 | $7.00 |