| Sold | Grade | Monthly Average |
| Sep 2018 | 6.0 | $36.00 |
| Jun 2017 | 6.0 | $36.00 |
| May 2017 | 6.0 | $36.00 |
| Feb 2016 | 6.0 | $44.00 |
| Aug 2014 | 6.0 | $36.00 |
| Feb 2010 | 6.0 | $27.00 |
| Feb 2008 | 6.0 | $19.44 |
| Dec 2021 | 4.0 | $24.00 |
| Nov 2019 | 4.0 | $24.00 |
| Sep 2019 | 4.0 | $24.00 |
| Apr 2016 | 4.0 | $24.00 |
| Sep 2014 | 4.0 | $24.00 |
| May 2011 | 4.0 | $24.00 |
| Jul 2010 | 4.0 | $18.00 |
| Feb 2020 | 2.0 | $12.00 |
| Jun 2017 | 2.0 | $12.00 |
| Jan 2010 | 2.0 | $8.98 |
| Jul 2014 | 1.8 | $40.00 |