| Sold | Grade | Monthly Average |
| Feb 2011 | 9.4 | $15.00 |
| May 2010 | 9.4 | $15.00 |
| Feb 2024 | 8.0 | $32.00 |
| Jan 2023 | 8.0 | $32.00 |
| Apr 2021 | 8.0 | $36.00 |
| Oct 2017 | 8.0 | $15.75 |
| Feb 2017 | 8.0 | $23.00 |
| Mar 2016 | 8.0 | $15.75 |
| Jul 2013 | 8.0 | $14.18 |
| Nov 2022 | 6.0 | $26.50 |
| Jan 2016 | 6.0 | $11.75 |
| Jun 2014 | 6.0 | $11.75 |
| May 2011 | 6.0 | $9.00 |
| Sep 2025 | 4.0 | $19.99 |