| Sold | Grade | Monthly Average |
| Sep 2011 | 9.2 | $4.00 |
| Aug 2011 | 9.2 | $4.00 |
| Jul 2011 | 9.2 | $4.00 |
| Mar 2022 | 8.0 | $2.40 |
| Aug 2019 | 8.0 | $1.70 |
| May 2019 | 8.0 | $1.70 |
| Jul 2024 | 6.0 | $2.50 |
| Apr 2024 | 6.0 | $3.00 |
| Nov 2023 | 6.0 | $2.50 |
| May 2023 | 6.0 | $3.00 |
| Nov 2021 | 6.0 | $2.00 |
| Feb 2021 | 6.0 | $2.00 |
| Mar 2016 | 6.0 | $2.20 |
| Jan 2014 | 6.0 | $3.30 |