| Sold | Grade | Monthly Average |
| Dec 2025 | 8.0 | $42.60 |
| Sep 2025 | 7.0 | $86.00 |
| Oct 2023 | 9.4 | $73.00 |
| Mar 2022 | 9.4 | $94.96 |
| Dec 2019 | 9.4 | $89.96 |
| Oct 2017 | 9.4 | $99.95 |
| Aug 2017 | 9.4 | $99.95 |
| Nov 2016 | 9.4 | $99.95 |
| Jul 2025 | 9.0 | $50.00 |
| Apr 2025 | 7.5 | $71.00 |
| Jan 2025 | 7.5 | $66.00 |
| Nov 2023 | 4.0 | $24.00 |