| Sold | Grade | Monthly Average |
| Dec 2025 | 1.8 | $10.50 |
| Feb 2017 | 5.5 | $36.00 |
| Sep 2010 | 5.5 | $77.00 |
| Jun 2016 | 4.5 | $46.00 |
| Feb 2012 | 4.5 | $26.81 |
| Feb 2020 | 3.5 | $33.50 |
| Aug 2024 | 2.5 | $18.00 |
| Apr 2019 | 2.5 | $30.00 |
| May 2015 | 2.5 | $8.11 |
| Jan 2018 | 2.0 | $14.25 |
| Dec 2019 | 1.8 Restored | $14.00 |
| Aug 2023 | 1.5 | $7.50 |
| Jun 2024 | 1.0 | $7.49 |
| Aug 2022 | 1.0 | $7.49 |
| Apr 2014 | 1.0 | $8.49 |
| Oct 2025 | 0.5 | $8.40 |
| Oct 2017 | 0.5 | $3.51 |