| Sold | Grade | Monthly Average |
| Sep 2019 | 9.4 | $4.00 |
| May 2019 | 9.4 | $3.30 |
| Mar 2019 | 9.4 | $3.30 |
| Feb 2019 | 9.4 | $3.30 |
| Dec 2018 | 9.4 | $3.30 |
| Nov 2018 | 9.4 | $3.30 |
| Feb 2018 | 9.4 | $4.99 |
| Dec 2017 | 9.4 | $4.99 |
| Oct 2017 | 9.4 | $4.99 |
| Sep 2017 | 9.4 | $4.99 |
| Aug 2017 | 9.4 | $4.99 |
| Sep 2019 | 8.0 | $3.20 |
| Sep 2021 | 6.0 | $2.40 |
| Aug 2021 | 6.0 | $2.40 |
| Mar 2021 | 6.0 | $2.40 |