| Sold | Grade | Monthly Average |
| Nov 2022 | 9.4 | $59.97 |
| Oct 2022 | 9.4 | $99.95 |
| Aug 2022 | 9.4 | $89.96 |
| Dec 2021 | 9.4 | $99.95 |
| Nov 2021 | 9.4 | $59.97 |
| Aug 2021 | 9.4 | $99.95 |
| Jun 2021 | 9.4 | $99.95 |
| Feb 2021 | 9.4 | $99.95 |
| Jan 2021 | 9.4 | $108.88 |
| Dec 2020 | 9.4 | $99.95 |
| Nov 2020 | 9.4 | $102.93 |
| Nov 2023 | 6.0 | $63.00 |