| Sold | Grade | Monthly Average |
| May 2026 | 7.0 | $7.00 |
| Apr 2017 | 9.4 | $9.60 |
| Mar 2017 | 9.4 | $18.00 |
| Jan 2017 | 9.4 | $18.00 |
| Nov 2016 | 9.4 | $23.00 |
| Oct 2016 | 9.4 | $18.00 |
| Sep 2016 | 9.4 | $18.00 |
| Sep 2016 | 9.2 | $15.00 |
| Sep 2016 | 8.5 | $12.75 |
| Jun 2024 | 8.0 | $8.00 |
| May 2020 | 8.0 | $7.20 |
| Oct 2018 | 8.0 | $5.60 |
| Jan 2018 | 8.0 | $4.40 |
| Sep 2016 | 8.0 | $12.00 |
| Mar 2021 | 7.5 | $7.49 |