| Sold | Grade | Monthly Average |
| Oct 2023 | 2.0 | $13.50 |
| Feb 2022 | 4.0 | $43.70 |
| Mar 2022 | 3.0 | $33.00 |
| Mar 2016 | 3.0 | $12.83 |
| Aug 2021 | 2.5 | $14.50 |
| Jan 2023 | 2.0 | $13.50 |
| Apr 2020 | 2.0 | $18.50 |
| Mar 2017 | 2.0 | $16.00 |
| Dec 2016 | 1.8 | $20.65 |
| Apr 2019 | 1.5 | $14.25 |
| May 2019 | 1.0 | $10.75 |
| Apr 2016 | 1.0 | $10.50 |