| Sold | Grade | Monthly Average |
| Apr 2022 | 5.0 | $46.00 |
| Dec 2023 | 4.5 | $30.00 |
| Jul 2023 | 4.5 | $35.00 |
| Aug 2019 | 4.5 | $28.00 |
| Apr 2025 | 3.0 | $11.00 |
| Dec 2020 | 3.0 | $28.00 |
| Aug 2017 | 3.0 | $17.60 |
| Jun 2011 | 3.0 | $19.50 |
| Jan 2025 | 2.5 | $9.50 |
| Mar 2021 | 2.5 | $23.00 |
| Sep 2024 | 2.0 | $13.50 |
| Oct 2019 | 1.8 | $19.00 |
| Sep 2015 | 1.8 | $12.00 |
| Jul 2010 | 1.8 | $10.25 |
| Feb 2014 | 1.5 | $10.60 |
| Nov 2020 | 1.0 | $8.70 |
| Jun 2012 | 1.0 | $7.95 |