| Sold | Grade | Monthly Average |
| Dec 2020 | 9.4 | $120.00 |
| Aug 2020 | 9.4 | $99.95 |
| Apr 2020 | 9.4 | $99.95 |
| Mar 2020 | 9.4 | $99.95 |
| Apr 2019 | 9.4 | $99.95 |
| Mar 2019 | 9.4 | $99.95 |
| Apr 2018 | 9.4 | $89.96 |
| Oct 2017 | 9.4 | $99.98 |
| Nov 2025 | 8.0 | $120.00 |
| Apr 2025 | 8.0 | $120.00 |
| May 2020 | 8.0 | $79.00 |
| Jun 2018 | 8.0 | $79.00 |
| Oct 2017 | 8.0 | $108.45 |
| Mar 2025 | 7.0 | $57.00 |
| Aug 2023 | 7.0 | $111.00 |
| Sep 2023 | 6.5 | $90.00 |