| Sold | Grade | Monthly Average |
| Oct 2019 | 9.4 | $4.00 |
| Jun 2018 | 9.4 | $5.00 |
| May 2018 | 9.4 | $5.00 |
| Apr 2018 | 9.4 | $5.00 |
| Feb 2018 | 9.4 | $4.99 |
| Jan 2018 | 9.4 | $4.99 |
| Dec 2017 | 9.4 | $4.99 |
| Nov 2017 | 9.4 | $4.99 |
| Sep 2017 | 9.4 | $4.99 |
| Aug 2017 | 9.4 | $4.99 |
| Jan 2020 | 8.5 | $26.00 |
| Jan 2022 | 8.0 | $3.20 |
| Dec 2021 | 8.0 | $3.20 |
| Sep 2021 | 8.0 | $2.88 |
| Jan 2020 | 8.0 | $3.20 |
| Nov 2019 | 8.0 | $2.56 |