| Sold | Grade | Monthly Average |
| Feb 2018 | 9.4 | $8.00 |
| Mar 2017 | 9.4 | $7.20 |
| Nov 2016 | 9.4 | $6.44 |
| Jun 2016 | 9.4 | $15.50 |
| Mar 2018 | 9.2 | $5.40 |
| Jan 2018 | 9.2 | $6.00 |
| Dec 2015 | 9.2 | $13.00 |
| Jan 2021 | 9.0 | $54.00 |
| Apr 2023 | 8.5 | $8.49 |
| Jan 2024 | 8.0 | $8.00 |
| Nov 2021 | 8.0 | $25.00 |
| May 2019 | 8.0 | $4.32 |
| Jan 2018 | 8.0 | $4.80 |
| Apr 2019 | 6.0 | $3.60 |