| Sold | Grade | Monthly Average |
| Dec 2020 | 7.0 | $39.90 |
| Aug 2019 | 5.5 | $32.00 |
| Jun 2022 | 5.0 | $8.00 |
| Dec 2021 | 4.0 | $14.25 |
| Aug 2020 | 4.0 | $14.25 |
| Jun 2013 | 4.0 | $14.00 |
| Feb 2025 | 3.5 | $14.25 |
| Apr 2018 | 3.0 | $13.75 |
| Jun 2025 | 2.5 | $10.75 |
| Apr 2023 | 2.5 | $8.60 |
| Nov 2024 | 2.0 | $7.20 |
| Jul 2022 | 2.0 | $7.20 |
| Oct 2017 | 2.0 | $9.90 |
| Jul 2016 | 2.0 | $9.90 |
| Oct 2010 | 2.0 | $12.00 |
| May 2023 | 1.0 | $3.60 |
| Dec 2013 | 1.0 | $6.49 |
| Nov 2021 | 0.5 | $2.00 |