| Sold | Grade | Monthly Average |
| Jan 2026 | 6.5 | $27.00 |
| Jul 2023 | 8.0 | $17.00 |
| Mar 2023 | 8.0 | $29.00 |
| Jun 2023 | 7.5 | $30.00 |
| May 2013 | 7.0 | $16.75 |
| Jun 2021 | 6.5 | $26.00 |
| Feb 2018 | 6.5 | $19.50 |
| Oct 2020 | 6.0 | $24.00 |
| Oct 2025 | 5.5 | $25.00 |
| Jan 2025 | 5.5 | $8.00 |
| Dec 2015 | 5.5 | $16.50 |
| Jun 2021 | 5.0 | $20.00 |
| Feb 2020 | 5.0 | $20.00 |
| Apr 2025 | 4.5 | $23.00 |
| Jun 2018 | 4.5 | $17.10 |
| Dec 2024 | 4.0 | $12.00 |
| Aug 2021 | 4.0 | $18.50 |
| Aug 2014 | 4.0 | $12.00 |
| Jul 2014 | 2.5 | $4.49 |