| Sold | Grade | Monthly Average |
| May 2026 | 6.0 | $40.00 |
| Apr 2026 | 5.0 | $17.00 |
| May 2026 | 4.5 | $23.75 |
| Feb 2026 | 4.5 | $41.00 |
| Mar 2026 | 2.5 | $23.00 |
| Dec 2017 | 7.0 | $32.00 |
| May 2016 | 7.0 | $16.00 |
| May 2023 | 6.0 | $28.00 |
| Jan 2023 | 6.0 | $27.00 |
| Sep 2019 | 6.0 | $27.00 |
| Aug 2022 | 5.0 | $32.50 |
| Dec 2021 | 5.0 | $36.00 |
| Jun 2022 | 4.5 | $12.50 |