| Sold | Grade | Monthly Average |
| Mar 2025 | 6.5 | $14.00 |
| Dec 2022 | 6.5 | $15.50 |
| Aug 2022 | 6.0 | $10.00 |
| Jul 2023 | 5.5 | $5.70 |
| Nov 2020 | 5.5 | $5.70 |
| Sep 2020 | 5.5 | $5.70 |
| Jan 2025 | 5.0 | $5.10 |
| Dec 2018 | 4.5 | $7.90 |
| Nov 2021 | 4.0 | $4.90 |
| Sep 2020 | 4.0 | $9.25 |
| Apr 2018 | 4.0 | $8.00 |
| May 2020 | 3.0 | $6.50 |
| Jul 2017 | 3.0 | $4.20 |
| Dec 2018 | 2.5 | $2.80 |
| Sep 2022 | 2.0 | $2.10 |
| Aug 2020 | 2.0 | $2.10 |
| Mar 2019 | 2.0 | $2.40 |
| Apr 2016 | 1.8 | $1.35 |
| Dec 2023 | 1.0 | $2.50 |