| Sold | Grade | Monthly Average |
| Dec 2015 | 9.4 | $9.00 |
| May 2015 | 9.4 | $18.00 |
| Jan 2012 | 9.4 | $18.00 |
| Mar 2025 | 9.2 | $36.00 |
| May 2022 | 9.2 | $58.00 |
| Nov 2020 | 9.2 | $60.00 |
| Sep 2025 | 9.0 | $25.00 |
| Mar 2023 | 9.0 | $30.00 |
| Sep 2022 | 9.0 | $44.00 |
| Nov 2017 | 8.5 | $11.00 |
| Dec 2013 | 8.0 | $12.00 |
| Mar 2017 | 7.5 | $18.75 |
| Oct 2016 | 7.5 | $18.75 |
| Mar 2018 | 4.5 | $29.00 |
| Jun 2017 | 4.0 | $14.00 |