| Sold | Grade | Monthly Average |
| Aug 2012 | 9.4 | $25.00 |
| Jun 2011 | 9.4 | $25.00 |
| Mar 2016 | 8.0 | $22.50 |
| Oct 2015 | 8.0 | $22.50 |
| Apr 2011 | 8.0 | $18.00 |
| Sep 2019 | 6.0 | $24.00 |
| Feb 2019 | 6.0 | $24.00 |
| Oct 2014 | 6.0 | $16.75 |
| Aug 2014 | 6.0 | $16.75 |
| Aug 2013 | 6.0 | $15.00 |
| Jan 2013 | 6.0 | $15.00 |
| Nov 2021 | 5.5 | $21.90 |
| Apr 2023 | 5.0 | $20.00 |
| Sep 2021 | 4.0 | $20.00 |
| Feb 2021 | 4.0 | $20.00 |
| Sep 2020 | 4.0 | $20.00 |
| Mar 2017 | 4.0 | $15.99 |
| Jan 2013 | 4.0 | $10.00 |