| Sold | Grade | Monthly Average |
| May 2018 | 9.4 | $59.99 |
| Jan 2018 | 9.4 | $59.99 |
| Mar 2017 | 9.4 | $79.00 |
| Nov 2016 | 9.4 | $59.99 |
| Oct 2014 | 9.4 | $54.00 |
| Apr 2014 | 9.4 | $47.99 |
| Feb 2013 | 9.4 | $47.99 |
| Mar 2012 | 9.4 | $47.99 |
| Jan 2012 | 9.4 | $47.99 |
| Mar 2024 | 8.0 | $33.60 |
| Jul 2018 | 6.0 | $36.00 |
| Mar 2018 | 6.0 | $51.00 |