| Sold | Grade | Monthly Average |
| Feb 2026 | 2.0 | $20.00 |
| Apr 2023 | 6.0 | $46.00 |
| Jun 2022 | 6.0 | $48.50 |
| Jan 2024 | 5.5 | $30.00 |
| Oct 2023 | 5.0 | $13.00 |
| Dec 2023 | 4.0 | $16.00 |
| Dec 2020 | 3.0 | $30.00 |
| Sep 2025 | 2.0 | $12.50 |
| Mar 2014 | 2.0 | $7.00 |
| Dec 2018 | 1.8 | $6.90 |
| May 2022 | 1.5 | $9.40 |
| Aug 2023 | 1.0 | $6.30 |