| Sold | Grade | Monthly Average |
| Jan 2022 | 4.0 | $35.00 |
| Nov 2021 | 3.5 | $90.00 |
| Mar 2018 | 3.0 | $17.34 |
| Aug 2017 | 3.0 | $16.75 |
| Aug 2016 | 3.0 | $16.75 |
| Jan 2024 | 2.5 | $14.25 |
| Jun 2018 | 1.8 | $12.25 |
| Nov 2016 | 1.8 | $11.25 |
| Jan 2015 | 1.8 | $11.25 |
| Aug 2020 | 1.5 | $10.00 |
| Apr 2019 | 1.5 | $10.75 |
| Jan 2016 | 1.0 | $7.10 |
| Oct 2013 | 1.0 | $6.49 |