| Sold | Grade | Monthly Average |
| Oct 2019 | 9.4 | $4.50 |
| Jun 2023 | 8.0 | $4.00 |
| Apr 2021 | 8.0 | $4.80 |
| Jan 2020 | 8.0 | $4.40 |
| Oct 2018 | 8.0 | $3.40 |
| Jun 2018 | 8.0 | $2.10 |
| Jul 2014 | 8.0 | $1.30 |
| Aug 2023 | 7.0 | $3.80 |
| Dec 2025 | 6.0 | $1.00 |
| Jun 2024 | 6.0 | $3.60 |
| Feb 2024 | 6.0 | $1.00 |
| Jan 2024 | 6.0 | $1.00 |
| Dec 2021 | 6.0 | $3.60 |
| Aug 2021 | 6.0 | $3.60 |
| May 2020 | 6.0 | $3.90 |
| Dec 2019 | 6.0 | $3.30 |
| Feb 2019 | 6.0 | $2.40 |
| Jul 2016 | 6.0 | $1.80 |
| Nov 2023 | 4.0 | $2.50 |