| Sold | Grade | Monthly Average |
| Dec 2023 | 9.4 | $57.20 |
| Nov 2023 | 9.4 | $49.50 |
| Feb 2024 | 5.5 | $36.00 |
| Nov 2022 | 9.4 | $59.97 |
| Jun 2022 | 9.4 | $99.95 |
| Feb 2022 | 9.4 | $99.95 |
| Mar 2021 | 9.4 | $99.95 |
| Jun 2020 | 9.4 | $125.00 |
| Apr 2017 | 9.4 | $99.95 |
| Nov 2016 | 9.4 | $89.96 |
| Oct 2016 | 9.4 | $124.95 |
| Sep 2016 | 9.4 | $124.95 |
| Sep 2019 | 8.5 | $46.00 |
| Nov 2021 | 8.0 | $47.40 |
| Jan 2019 | 6.0 | $79.00 |