| Sold | Grade | Monthly Average |
| Oct 2023 | 9.0 | $7.00 |
| Nov 2024 | 8.5 | $3.00 |
| Feb 2022 | 7.0 | $4.20 |
| Nov 2017 | 6.5 | $1.95 |
| Sep 2024 | 6.0 | $3.20 |
| Mar 2016 | 5.0 | $1.35 |
| Mar 2021 | 4.0 | $2.00 |
| Nov 2020 | 4.0 | $2.00 |
| Jan 2020 | 4.0 | $2.00 |
| Jun 2012 | 4.0 | $1.10 |
| Nov 2008 | 4.0 | $1.49 |
| Aug 2019 | 3.5 | $1.70 |
| Jul 2025 | 3.0 | $2.52 |