| Sold | Grade | Monthly Average |
| Jun 2025 | 6.0 | $14.25 |
| Jul 2025 | 5.5 | $9.41 |
| Mar 2023 | 7.0 | $8.40 |
| May 2025 | 6.0 | $12.50 |
| Jan 2025 | 6.0 | $10.50 |
| Dec 2024 | 6.0 | $8.50 |
| Sep 2024 | 6.0 | $8.50 |
| Aug 2024 | 6.0 | $8.50 |
| Aug 2023 | 6.0 | $7.50 |
| Feb 2020 | 6.0 | $14.25 |
| Sep 2023 | 5.5 | $9.90 |
| Feb 2018 | 5.0 | $5.40 |
| Nov 2017 | 5.0 | $4.86 |
| Apr 2022 | 4.0 | $7.20 |
| Jun 2017 | 4.0 | $4.30 |
| Apr 2020 | 3.5 | $4.20 |
| Mar 2017 | 3.5 | $2.49 |
| Jan 2017 | 3.5 | $2.24 |
| Mar 2013 | 3.5 | $4.20 |
| Jan 2015 | 1.5 | $1.10 |