| Sold | Grade | Monthly Average |
| Oct 2023 | 9.4 | $157.50 |
| Dec 2020 | 9.4 | $125.00 |
| Nov 2020 | 9.4 | $100.00 |
| Jun 2020 | 9.4 | $79.95 |
| Mar 2020 | 9.4 | $79.95 |
| Feb 2019 | 9.4 | $99.95 |
| Sep 2016 | 9.4 | $99.95 |
| Nov 2015 | 9.4 | $99.95 |
| Mar 2022 | 8.5 | $150.00 |
| May 2023 | 8.0 | $175.00 |
| Mar 2023 | 7.0 | $205.00 |
| Oct 2023 | 6.5 | $76.00 |
| Aug 2023 | 6.5 | $81.00 |
| Jul 2022 | 6.0 | $56.00 |
| Jul 2021 | 4.0 | $50.00 |