| Sold | Grade | Monthly Average |
| Jun 2018 | 9.2 | $18.50 |
| Jul 2015 | 9.2 | $11.00 |
| Dec 2014 | 9.2 | $20.99 |
| Sep 2014 | 9.0 | $45.00 |
| Apr 2019 | 8.5 | $10.00 |
| Jul 2018 | 8.5 | $11.00 |
| Aug 2014 | 8.5 | $31.00 |
| May 2018 | 8.0 | $9.00 |
| Feb 2015 | 7.5 | $12.00 |
| Sep 2014 | 7.5 | $11.25 |
| Feb 2018 | 6.0 | $12.00 |
| Aug 2014 | 4.5 | $6.70 |