| Sold | Grade | Monthly Average |
| Apr 2012 | 9.4 | $1.30 |
| Jul 2021 | 8.0 | $3.60 |
| Jan 2018 | 8.0 | $3.20 |
| Oct 2014 | 8.0 | $1.00 |
| Apr 2013 | 8.0 | $1.00 |
| Aug 2022 | 6.0 | $2.16 |
| Jul 2022 | 6.0 | $2.40 |
| Mar 2022 | 6.0 | $2.40 |
| Mar 2020 | 6.0 | $2.40 |
| Jan 2019 | 6.0 | $2.40 |
| Jul 2023 | 4.0 | $2.50 |
| Oct 2014 | 4.0 | $1.20 |