| Sold | Grade | Monthly Average |
| Jun 2024 | 4.0 | $6.40 |
| Mar 2024 | 3.0 | $7.90 |
| Jan 2021 | 7.0 | $31.00 |
| Nov 2022 | 6.0 | $9.00 |
| Apr 2013 | 5.5 | $16.25 |
| Sep 2022 | 4.0 | $9.60 |
| Nov 2021 | 3.0 | $6.03 |
| Jun 2018 | 2.5 | $5.20 |
| Oct 2016 | 2.5 | $5.20 |
| Apr 2020 | 2.0 | $4.80 |
| Sep 2018 | 2.0 | $4.40 |
| Nov 2018 | 1.8 | $3.89 |
| Mar 2014 | 1.8 | $5.60 |