| Sold | Grade | Monthly Average |
| Oct 2019 | 9.4 | $12.00 |
| Jan 2014 | 9.4 | $18.00 |
| Dec 2013 | 9.4 | $18.00 |
| Aug 2018 | 9.2 | $13.00 |
| Dec 2016 | 9.2 | $15.00 |
| Nov 2014 | 9.2 | $15.00 |
| Apr 2014 | 9.2 | $15.00 |
| Jun 2015 | 9.0 | $13.50 |
| Aug 2016 | 8.5 | $12.75 |
| Jun 2018 | 8.0 | $2.40 |
| May 2018 | 8.0 | $2.40 |
| Feb 2018 | 8.0 | $2.40 |
| Jun 2015 | 6.0 | $8.55 |