| Sold | Grade | Monthly Average |
| Mar 2026 | 9.4 | $55.00 |
| Aug 2025 | 9.4 | $93.00 |
| Mar 2025 | 9.4 | $63.00 |
| Mar 2024 | 9.4 | $39.90 |
| Oct 2023 | 9.4 | $69.95 |
| Sep 2023 | 9.4 | $53.10 |
| Jun 2023 | 9.4 | $65.00 |
| Apr 2023 | 9.4 | $71.96 |
| May 2022 | 9.4 | $75.96 |
| Feb 2022 | 9.4 | $79.95 |
| Nov 2020 | 9.4 | $79.95 |
| Jun 2018 | 9.4 | $79.95 |
| Feb 2017 | 9.4 | $75.96 |
| Dec 2016 | 9.4 | $79.98 |