| Sold | Grade | Monthly Average |
| Nov 2023 | 9.2 | $90.00 |
| Oct 2023 | 9.0 | $50.00 |
| Nov 2017 | 9.4 | $69.60 |
| Jun 2023 | 9.2 | $42.00 |
| Sep 2021 | 9.2 | $69.95 |
| Jan 2019 | 9.2 | $60.00 |
| Apr 2017 | 9.2 | $79.95 |
| Aug 2010 | 9.2 | $20.00 |
| Jan 2023 | 9.0 | $39.90 |
| Sep 2019 | 9.0 | $54.95 |
| Dec 2017 | 8.5 | $51.00 |
| Jul 2022 | 8.0 | $36.10 |
| Oct 2019 | 8.0 | $42.95 |
| Jun 2023 | 7.5 | $28.00 |
| Jan 2021 | 7.5 | $32.54 |
| Oct 2020 | 7.0 | $33.00 |
| Mar 2021 | 6.0 | $36.05 |
| Nov 2014 | 5.5 | $30.00 |
| Dec 2022 | 4.5 | $20.93 |