| Sold | Grade | Monthly Average |
| Jan 2026 | 6.0 | $32.00 |
| Apr 2026 | 4.5 | $29.00 |
| Mar 2023 | 8.5 | $37.00 |
| Jan 2012 | 8.5 | $51.09 |
| Feb 2021 | 8.0 | $54.00 |
| Aug 2011 | 7.0 | $112.00 |
| Mar 2024 | 6.5 | $33.00 |
| Sep 2022 | 6.0 | $28.00 |
| Oct 2019 | 5.5 | $28.00 |
| Oct 2014 | 5.5 | $30.25 |
| May 2025 | 5.0 | $30.00 |
| Aug 2021 | 5.0 | $47.00 |
| May 2020 | 5.0 | $25.00 |
| Nov 2017 | 5.0 | $7.66 |
| May 2025 | 3.5 | $36.00 |
| Sep 2022 | 3.5 | $20.00 |
| Mar 2016 | 1.5 | $7.49 |