| Sold | Grade | Monthly Average |
| May 2016 | 9.6 | $35.00 |
| Jul 2016 | 9.4 | $2.44 |
| Jun 2016 | 9.4 | $2.40 |
| Sep 2016 | 9.2 | $2.18 |
| Jun 2016 | 9.2 | $2.00 |
| Oct 2016 | 9.0 | $1.87 |
| Sep 2016 | 9.0 | $2.10 |
| Nov 2019 | 8.0 | $2.00 |
| Oct 2018 | 8.0 | $1.53 |
| Jul 2018 | 8.0 | $1.70 |
| Sep 2016 | 8.0 | $1.90 |
| May 2016 | 8.0 | $1.60 |
| Sep 2016 | 7.5 | $1.60 |
| Jan 2019 | 6.0 | $1.70 |