| Sold | Grade | Monthly Average |
| Jan 2020 | 6.5 | $24.00 |
| Jan 2021 | 5.0 | $12.50 |
| May 2020 | 5.0 | $12.50 |
| Feb 2019 | 4.5 | $14.50 |
| Oct 2022 | 4.0 | $10.50 |
| Mar 2021 | 3.0 | $5.49 |
| Nov 2012 | 3.0 | $4.80 |
| Aug 2023 | 2.0 | $3.99 |
| Feb 2023 | 2.0 | $3.99 |
| Jan 2022 | 2.0 | $3.99 |
| Mar 2018 | 2.0 | $6.60 |
| Nov 2014 | 2.0 | $5.00 |
| Aug 2015 | 1.8 | $3.96 |