| Sold | Grade | Monthly Average |
| Dec 2024 | 9.4 | $51.00 |
| Dec 2021 | 9.4 | $59.95 |
| May 2020 | 9.4 | $59.95 |
| Feb 2019 | 9.4 | $39.95 |
| Dec 2017 | 9.4 | $39.95 |
| Oct 2017 | 9.4 | $39.95 |
| Sep 2017 | 9.4 | $44.97 |
| Jul 2017 | 9.4 | $39.95 |
| Jun 2017 | 9.4 | $39.95 |
| Apr 2017 | 9.4 | $39.95 |
| Dec 2016 | 9.4 | $39.95 |
| Oct 2016 | 9.4 | $35.96 |
| Sep 2016 | 9.4 | $39.95 |
| Aug 2016 | 9.4 | $39.95 |
| May 2016 | 9.4 | $39.95 |
| Apr 2016 | 9.4 | $38.95 |
| Mar 2016 | 9.4 | $39.95 |
| Oct 2015 | 9.4 | $39.95 |
| Jan 2022 | 8.0 | $48.00 |
| Jun 2019 | 2.0 | $10.00 |