| Sold | Grade | Monthly Average |
| Nov 2025 | 9.4 | $5.40 |
| Oct 2025 | 9.4 | $5.40 |
| Jun 2025 | 9.4 | $6.00 |
| Nov 2024 | 9.4 | $3.60 |
| Dec 2022 | 9.4 | $3.00 |
| Oct 2021 | 9.4 | $3.00 |
| May 2021 | 9.4 | $3.00 |
| Jun 2020 | 9.4 | $3.00 |
| Jan 2020 | 9.4 | $3.30 |
| Sep 2019 | 9.4 | $3.00 |
| May 2018 | 9.4 | $3.00 |
| Jun 2017 | 9.4 | $4.70 |
| Mar 2017 | 9.4 | $4.70 |
| Nov 2016 | 9.4 | $4.23 |
| Jun 2016 | 9.4 | $6.00 |
| Mar 2016 | 9.4 | $6.50 |
| Jan 2016 | 9.4 | $7.00 |
| Dec 2015 | 9.4 | $7.00 |
| Oct 2015 | 9.4 | $7.00 |
| Apr 2022 | 8.0 | $2.40 |
| Feb 2022 | 8.0 | $2.40 |
| May 2021 | 8.0 | $2.40 |