| Sold | Grade | Monthly Average |
| Nov 2017 | 4.5 | $16.80 |
| Oct 2017 | 4.0 | $12.75 |
| Oct 2022 | 3.5 | $17.25 |
| Jun 2021 | 3.5 | $17.25 |
| Jun 2021 | 3.0 | $15.00 |
| Dec 2020 | 2.5 | $12.75 |
| Jan 2011 | 2.5 | $12.75 |
| Oct 2021 | 2.0 | $10.75 |
| Aug 2019 | 2.0 | $15.50 |
| May 2017 | 2.0 | $11.40 |
| Apr 2025 | 1.8 | $8.60 |
| Feb 2018 | 1.5 | $7.49 |
| Jul 2024 | 0.5 | $2.70 |