| Sold | Grade | Monthly Average |
| Apr 2024 | 9.4 | $24.00 |
| Jan 2015 | 9.4 | $13.00 |
| Oct 2012 | 9.4 | $13.00 |
| Sep 2012 | 9.4 | $14.83 |
| May 2011 | 9.4 | $13.29 |
| Apr 2011 | 9.4 | $13.75 |
| Mar 2011 | 9.4 | $13.75 |
| Feb 2011 | 9.4 | $13.75 |
| Mar 2021 | 8.0 | $15.99 |
| Feb 2021 | 8.0 | $15.99 |
| Jan 2023 | 6.0 | $10.79 |
| May 2020 | 6.0 | $17.00 |