| Sold | Grade | Monthly Average |
| Mar 2021 | 5.5 | $41.00 |
| Oct 2017 | 5.5 | $85.00 |
| Jul 2011 | 5.0 | $50.00 |
| Jan 2025 | 4.0 | $27.00 |
| Mar 2021 | 4.0 | $36.00 |
| Jan 2021 | 4.0 | $41.00 |
| Jun 2012 | 4.0 | $42.10 |
| Aug 2024 | 3.0 | $28.50 |
| Apr 2022 | 3.0 | $28.00 |
| Mar 2025 | 2.5 | $15.00 |
| Dec 2023 | 2.5 | $20.00 |
| Mar 2019 | 2.5 | $24.50 |
| Apr 2021 | 2.0 | $20.50 |
| Oct 2019 | 1.8 | $17.75 |
| Apr 2020 | 1.0 | $11.00 |
| Nov 2013 | 1.0 | $10.00 |