| Sold | Grade | Monthly Average |
| May 2024 | 3.0 | $18.00 |
| Aug 2024 | 2.0 | $13.00 |
| Jan 2021 | 5.0 | $48.00 |
| May 2020 | 5.0 | $55.00 |
| Dec 2015 | 2.5 | $13.90 |
| Jul 2022 | 2.0 | $10.00 |
| Apr 2021 | 2.0 | $4.94 |
| Apr 2020 | 2.0 | $5.20 |
| Jul 2018 | 2.0 | $16.50 |
| Apr 2016 | 2.0 | $17.00 |
| Jul 2013 | 2.0 | $11.00 |
| May 2019 | 1.5 | $8.10 |
| Jul 2023 | 0.5 | $2.50 |