| Sold | Grade | Monthly Average |
| Mar 2025 | 9.4 | $2.50 |
| May 2016 | 9.4 | $1.35 |
| Apr 2016 | 9.4 | $1.35 |
| Mar 2016 | 9.4 | $1.35 |
| Feb 2016 | 9.4 | $1.35 |
| May 2015 | 9.4 | $2.99 |
| Apr 2015 | 9.4 | $2.99 |
| Nov 2014 | 9.4 | $2.99 |
| Oct 2014 | 9.4 | $2.99 |
| Jul 2023 | 8.0 | $2.50 |
| Dec 2022 | 8.0 | $2.00 |
| Aug 2021 | 8.0 | $2.00 |
| Sep 2020 | 8.0 | $2.00 |
| Jan 2019 | 8.0 | $1.53 |
| Feb 2018 | 8.0 | $3.70 |
| Aug 2023 | 6.0 | $2.50 |
| Oct 2022 | 6.0 | $2.00 |
| Sep 2021 | 6.0 | $2.00 |
| Jan 2015 | 6.0 | $1.70 |