| Sold | Grade | Monthly Average |
| Sep 2024 | 9.4 | $27.00 |
| Aug 2018 | 9.4 | $4.30 |
| Mar 2013 | 9.4 | $13.20 |
| Feb 2015 | 9.2 | $11.00 |
| Feb 2023 | 9.0 | $24.00 |
| Sep 2021 | 9.0 | $18.00 |
| Feb 2017 | 8.5 | $20.00 |
| Oct 2015 | 8.5 | $8.07 |
| May 2022 | 8.0 | $8.00 |
| Jul 2020 | 8.0 | $6.40 |
| Nov 2017 | 8.0 | $8.00 |
| Aug 2025 | 7.0 | $7.00 |
| Jun 2025 | 7.0 | $7.00 |
| Dec 2020 | 6.0 | $5.70 |
| May 2018 | 6.0 | $3.60 |
| Feb 2018 | 6.0 | $3.90 |
| Jan 2018 | 6.0 | $6.50 |