| Sold | Grade | Monthly Average |
| Feb 2026 | 1.8 | $10.00 |
| Feb 2026 | 1.5 | $9.00 |
| Jul 2021 | 5.0 | $23.00 |
| Nov 2014 | 5.0 | $25.00 |
| Jan 2024 | 4.5 | $25.50 |
| Jul 2020 | 3.0 | $13.25 |
| Feb 2020 | 3.0 | $18.50 |
| May 2025 | 2.5 | $10.00 |
| Apr 2024 | 2.5 | $5.00 |
| Dec 2018 | 2.5 | $17.50 |
| Aug 2015 | 2.5 | $12.95 |
| Nov 2020 | 2.0 | $9.49 |
| Jun 2020 | 2.0 | $9.49 |
| Jan 2014 | 2.0 | $10.00 |
| Jul 2023 | 1.8 | $9.20 |
| Aug 2015 | 1.5 | $7.00 |
| Dec 2024 | 1.0 | $5.80 |