| Sold | Grade | Monthly Average |
| Dec 2020 | 9.4 | $49.95 |
| Sep 2019 | 9.4 | $49.95 |
| Oct 2017 | 9.4 | $63.00 |
| May 2016 | 9.4 | $49.95 |
| Jan 2014 | 9.4 | $36.00 |
| Feb 2012 | 9.4 | $36.00 |
| Jul 2011 | 9.4 | $40.00 |
| Jul 2024 | 8.0 | $59.00 |
| Jan 2024 | 8.0 | $37.00 |
| Jul 2021 | 8.0 | $40.00 |
| Jan 2021 | 8.0 | $45.00 |
| Jan 2018 | 8.0 | $40.00 |
| Jun 2016 | 8.0 | $36.00 |
| Sep 2025 | 6.0 | $36.00 |
| Jan 2022 | 6.0 | $36.00 |
| Sep 2020 | 6.0 | $39.00 |
| Feb 2016 | 6.0 | $30.00 |
| Oct 2014 | 6.0 | $30.00 |
| Feb 2021 | 4.0 | $19.99 |
| May 2017 | 4.0 | $28.00 |