| Sold | Grade | Monthly Average |
| Apr 2020 | 9.4 | $4.00 |
| Aug 2018 | 9.4 | $11.00 |
| May 2018 | 9.4 | $25.00 |
| Jul 2016 | 9.4 | $3.00 |
| Apr 2015 | 9.4 | $25.00 |
| Apr 2020 | 8.0 | $3.20 |
| Dec 2018 | 8.0 | $1.62 |
| Oct 2016 | 8.0 | $2.40 |
| Jun 2016 | 8.0 | $2.40 |
| Mar 2020 | 6.0 | $2.40 |
| Feb 2020 | 6.0 | $2.40 |
| Sep 2019 | 6.0 | $2.40 |