| Sold | Grade | Monthly Average |
| Jun 2017 | 9.4 | $3.70 |
| Jun 2016 | 9.4 | $4.00 |
| Feb 2016 | 9.4 | $3.30 |
| Jan 2016 | 9.4 | $3.30 |
| Dec 2015 | 9.4 | $3.70 |
| Jul 2024 | 8.0 | $31.00 |
| Mar 2023 | 8.0 | $20.00 |
| Mar 2018 | 8.0 | $1.70 |
| Jan 2018 | 8.0 | $1.70 |
| Jul 2015 | 8.0 | $4.30 |
| Apr 2015 | 8.0 | $4.30 |
| Feb 2023 | 7.0 | $18.00 |
| Sep 2018 | 6.0 | $1.70 |
| Apr 2018 | 6.0 | $1.70 |
| Sep 2017 | 4.0 | $1.71 |