| Sold | Grade | Monthly Average |
| Feb 2016 | 9.4 | $79.95 |
| Dec 2015 | 9.4 | $79.95 |
| Nov 2015 | 9.4 | $74.62 |
| Sep 2015 | 9.4 | $79.95 |
| Aug 2015 | 9.4 | $79.95 |
| May 2015 | 9.4 | $79.95 |
| Apr 2015 | 9.4 | $79.95 |
| Nov 2014 | 9.4 | $79.95 |
| Mar 2023 | 8.0 | $54.00 |
| Jan 2023 | 8.0 | $45.00 |
| Jun 2022 | 8.0 | $52.00 |
| Jun 2018 | 8.0 | $135.00 |
| Oct 2017 | 8.0 | $79.00 |
| Feb 2019 | 6.0 | $59.00 |
| Jul 2016 | 6.0 | $59.00 |
| Jul 2021 | 4.0 | $36.00 |
| Jun 2020 | 4.0 | $61.00 |
| Apr 2019 | 4.0 | $61.00 |