| Sold | Grade | Monthly Average |
| Apr 2026 | 4.0 | $27.00 |
| Aug 2017 | 6.0 | $15.00 |
| Sep 2024 | 5.5 | $14.00 |
| Jan 2021 | 5.5 | $32.50 |
| Jul 2016 | 5.5 | $12.83 |
| Jul 2023 | 4.5 | $16.00 |
| Sep 2022 | 4.5 | $15.00 |
| Oct 2012 | 4.5 | $8.80 |
| Oct 2018 | 4.0 | $9.50 |
| Jul 2017 | 4.0 | $10.00 |
| Apr 2012 | 4.0 | $7.60 |
| Apr 2024 | 3.5 | $14.50 |
| Dec 2016 | 3.5 | $13.50 |
| Jun 2022 | 3.0 | $12.50 |
| Mar 2021 | 3.0 | $17.75 |
| Oct 2017 | 3.0 | $7.70 |
| Jul 2022 | 2.0 | $12.50 |
| Apr 2022 | 2.0 | $12.50 |