| Sold | Grade | Monthly Average |
| Jul 2016 | 6.0 | $13.00 |
| May 2020 | 5.0 | $7.75 |
| Jan 2022 | 4.0 | $7.10 |
| Sep 2021 | 4.0 | $6.00 |
| May 2024 | 3.0 | $3.14 |
| Oct 2019 | 3.0 | $3.60 |
| Jun 2017 | 3.0 | $1.70 |
| Sep 2015 | 2.5 | $1.35 |
| Mar 2022 | 2.0 | $2.40 |
| Oct 2021 | 2.0 | $2.40 |
| Apr 2021 | 2.0 | $2.40 |
| Sep 2020 | 2.0 | $2.28 |
| Aug 2019 | 2.0 | $2.40 |
| Jul 2017 | 2.0 | $1.80 |
| Apr 2024 | 1.8 | $2.38 |
| Jan 2018 | 1.8 | $2.40 |
| Jan 2021 | 1.0 | $2.00 |
| Aug 2017 | 1.0 | $1.70 |