| Sold | Grade | Monthly Average |
| Dec 2014 | 9.2 | $102.50 |
| Jul 2013 | 9.2 | $143.95 |
| Sep 2021 | 9.0 | $149.95 |
| Feb 2016 | 9.0 | $180.00 |
| Jul 2015 | 9.0 | $41.33 |
| Jul 2019 | 8.5 | $53.00 |
| Feb 2015 | 8.5 | $128.31 |
| Jun 2021 | 8.0 | $119.95 |
| May 2021 | 8.0 | $36.00 |
| Nov 2019 | 8.0 | $100.00 |
| Jul 2019 | 8.0 | $99.99 |
| Oct 2021 | 7.5 | $125.00 |
| Jul 2019 | 7.5 | $120.00 |
| May 2019 | 7.5 | $31.00 |
| Apr 2021 | 6.5 | $94.95 |
| Jul 2019 | 6.5 | $70.00 |
| Jul 2023 | 6.0 | $76.00 |
| Dec 2015 | 5.5 | $70.00 |
| Dec 2013 | 5.0 | $30.00 |