| Sold | Grade | Monthly Average |
| Jul 2026 | 4.5 | $17.50 |
| May 2018 | 9.4 | $15.00 |
| Mar 2024 | 8.0 | $10.00 |
| Oct 2022 | 8.0 | $12.00 |
| Oct 2019 | 8.0 | $12.00 |
| Oct 2018 | 8.0 | $17.00 |
| Jan 2017 | 8.0 | $12.00 |
| Nov 2011 | 8.0 | $3.20 |
| Feb 2011 | 8.0 | $8.00 |
| Nov 2023 | 6.0 | $9.00 |
| Mar 2020 | 6.0 | $9.00 |
| Dec 2013 | 6.0 | $9.00 |
| Dec 2023 | 4.0 | $6.00 |
| Mar 2023 | 4.0 | $6.00 |
| Nov 2016 | 4.0 | $5.40 |
| Sep 2011 | 4.0 | $1.60 |
| Jun 2014 | 1.0 | $1.49 |