| Sold | Grade | Monthly Average |
| May 2026 | 4.5 | $40.00 |
| Apr 2021 | 5.0 | $30.00 |
| Nov 2024 | 4.5 | $23.00 |
| Jan 2024 | 3.5 | $40.00 |
| May 2024 | 3.0 | $25.00 |
| Apr 2022 | 3.0 | $28.00 |
| Jun 2023 | 2.0 | $25.00 |
| Apr 2021 | 2.0 | $12.00 |
| Jul 2020 | 2.0 | $16.00 |
| Jan 2025 | 1.0 | $6.10 |
| Mar 2019 | 1.0 | $5.00 |
| Feb 2019 | 1.0 | $5.50 |