| Sold | Grade | Monthly Average |
| Feb 2024 | 4.5 | $28.50 |
| Oct 2020 | 5.0 | $36.00 |
| Jan 2019 | 5.0 | $30.00 |
| Aug 2013 | 4.0 | $26.00 |
| Feb 2022 | 3.5 | $32.00 |
| Dec 2021 | 3.0 | $22.00 |
| Sep 2019 | 3.0 | $17.25 |
| Oct 2017 | 2.5 | $12.19 |
| Jan 2016 | 2.5 | $14.25 |
| Apr 2021 | 2.0 | $17.00 |
| Mar 2019 | 2.0 | $12.25 |
| Jun 2022 | 1.8 | $13.75 |
| Mar 2015 | 1.8 | $15.40 |
| Mar 2013 | 1.5 | $10.00 |
| Jun 2021 | 1.0 | $8.70 |