| Sold | Grade | Monthly Average |
| Mar 2019 | 9.4 | $2.00 |
| Dec 2018 | 9.4 | $2.00 |
| Oct 2018 | 9.4 | $1.70 |
| Sep 2018 | 9.4 | $1.08 |
| Dec 2017 | 9.4 | $1.00 |
| Apr 2017 | 9.4 | $1.70 |
| Feb 2017 | 9.4 | $1.70 |
| May 2016 | 9.4 | $1.35 |
| Dec 2015 | 9.4 | $1.35 |
| May 2015 | 9.4 | $1.40 |
| Oct 2014 | 9.4 | $1.10 |
| Mar 2014 | 9.4 | $2.50 |
| Jul 2013 | 9.4 | $4.00 |
| Jun 2013 | 9.4 | $4.00 |
| May 2013 | 9.4 | $3.99 |
| Apr 2013 | 9.4 | $3.99 |
| Jan 2020 | 8.0 | $2.00 |
| Nov 2021 | 6.0 | $2.00 |
| Aug 2020 | 6.0 | $2.00 |
| May 2020 | 6.0 | $2.00 |
| Apr 2019 | 4.0 | $1.70 |