| Sold | Grade | Monthly Average |
| Mar 2022 | 9.0 | $68.00 |
| Apr 2025 | 8.0 | $58.65 |
| Apr 2018 | 8.0 | $23.50 |
| Dec 2017 | 8.0 | $23.50 |
| Dec 2015 | 8.0 | $27.00 |
| Mar 2013 | 8.0 | $8.00 |
| Nov 2023 | 7.5 | $73.00 |
| Mar 2019 | 7.0 | $25.00 |
| Aug 2015 | 7.0 | $25.00 |
| May 2024 | 6.5 | $72.00 |
| Jan 2020 | 6.5 | $25.50 |
| Feb 2023 | 6.0 | $72.00 |
| Sep 2016 | 6.0 | $17.50 |
| Nov 2019 | 5.0 | $15.08 |
| Sep 2018 | 5.0 | $14.00 |
| May 2017 | 5.0 | $14.00 |
| Oct 2023 | 4.0 | $36.00 |
| Sep 2021 | 4.0 | $14.00 |