| Sold | Grade | Monthly Average |
| Nov 2010 | 9.4 | $43.50 |
| Nov 2010 | 9.2 | $45.00 |
| Feb 2021 | 9.0 | $53.00 |
| Oct 2017 | 9.0 | $75.00 |
| Mar 2016 | 9.0 | $59.95 |
| Jul 2015 | 9.0 | $41.00 |
| Jan 2020 | 8.5 | $30.00 |
| Jan 2017 | 8.5 | $26.00 |
| Feb 2016 | 8.5 | $39.00 |
| Mar 2015 | 8.5 | $36.58 |
| Aug 2012 | 8.5 | $38.50 |
| Dec 2017 | 8.0 | $57.95 |
| Jun 2023 | 7.5 | $40.00 |