| Sold | Grade | Monthly Average |
| Mar 2024 | 9.4 | $62.30 |
| Oct 2023 | 9.4 | $99.00 |
| May 2021 | 9.4 | $99.95 |
| Nov 2020 | 9.4 | $79.96 |
| May 2019 | 9.4 | $99.95 |
| Aug 2018 | 9.4 | $99.95 |
| Jan 2018 | 9.4 | $140.00 |
| Oct 2016 | 9.4 | $99.95 |
| Aug 2016 | 9.4 | $99.95 |
| Jun 2016 | 9.4 | $100.00 |
| Jun 2016 | 9.4 | $99.98 |
| Mar 2024 | 8.0 | $59.50 |
| Dec 2024 | 7.5 | $59.00 |
| Aug 2023 | 7.0 | $76.00 |
| Dec 2018 | 6.0 | $53.10 |
| Oct 2024 | 4.0 | $60.00 |