| Sold | Grade | Monthly Average |
| Jan 2018 | 9.4 | $79.95 |
| Oct 2017 | 9.4 | $79.95 |
| May 2017 | 9.4 | $59.95 |
| Feb 2017 | 9.4 | $85.00 |
| Feb 2016 | 9.4 | $79.95 |
| Dec 2015 | 9.4 | $79.95 |
| Mar 2020 | 9.2 | $62.00 |
| Nov 2019 | 8.0 | $63.00 |
| Mar 2019 | 8.0 | $63.00 |
| Apr 2018 | 8.0 | $63.00 |
| Aug 2016 | 8.0 | $63.00 |
| Mar 2019 | 6.0 | $48.00 |
| Feb 2016 | 6.0 | $43.20 |